diff --git a/.env.example b/.env.example
index a3ccf90..661c459 100644
--- a/.env.example
+++ b/.env.example
@@ -1,4 +1,4 @@
-APP_NAME="Toby HR applicaiton"
+APP_NAME="Toby HR application"
 APP_ENV=local
 APP_KEY=
 APP_DEBUG=true
diff --git a/app/Architecture/Providers/AppServiceProvider.php b/app/Architecture/Providers/AppServiceProvider.php
index d7e58c9..b1dc896 100644
--- a/app/Architecture/Providers/AppServiceProvider.php
+++ b/app/Architecture/Providers/AppServiceProvider.php
@@ -15,6 +15,7 @@ class AppServiceProvider extends ServiceProvider
     public function boot(): void
     {
         Carbon::macro("toDisplayString", fn() => $this->translatedFormat("j F Y"));
+        Carbon::macro("toDisplayDate", fn() => $this->translatedFormat("d.m.Y"));
 
         $selectedYearPeriodScope = $this->app->make(SelectedYearPeriodScope::class);
 
diff --git a/app/Architecture/Providers/EventServiceProvider.php b/app/Architecture/Providers/EventServiceProvider.php
index 14bd1e2..3107b26 100644
--- a/app/Architecture/Providers/EventServiceProvider.php
+++ b/app/Architecture/Providers/EventServiceProvider.php
@@ -10,22 +10,34 @@ use Toby\Domain\Events\VacationRequestAcceptedByTechnical;
 use Toby\Domain\Events\VacationRequestApproved;
 use Toby\Domain\Events\VacationRequestCancelled;
 use Toby\Domain\Events\VacationRequestCreated;
+use Toby\Domain\Events\VacationRequestRejected;
 use Toby\Domain\Events\VacationRequestStateChanged;
+use Toby\Domain\Events\VacationRequestWaitsForAdminApproval;
+use Toby\Domain\Events\VacationRequestWaitsForTechApproval;
 use Toby\Domain\Listeners\CreateVacationRequestActivity;
 use Toby\Domain\Listeners\HandleAcceptedByAdministrativeVacationRequest;
 use Toby\Domain\Listeners\HandleAcceptedByTechnicalVacationRequest;
 use Toby\Domain\Listeners\HandleApprovedVacationRequest;
 use Toby\Domain\Listeners\HandleCancelledVacationRequest;
 use Toby\Domain\Listeners\HandleCreatedVacationRequest;
+use Toby\Domain\Listeners\SendApprovedVacationRequestNotification;
+use Toby\Domain\Listeners\SendCancelledVacationRequestNotification;
+use Toby\Domain\Listeners\SendCreatedVacationRequestNotification;
+use Toby\Domain\Listeners\SendRejectedVacationRequestNotification;
+use Toby\Domain\Listeners\SendWaitedForAdministrativeVacationRequestNotification;
+use Toby\Domain\Listeners\SendWaitedForTechnicalVacationRequestNotification;
 
 class EventServiceProvider extends ServiceProvider
 {
     protected $listen = [
         VacationRequestStateChanged::class => [CreateVacationRequestActivity::class],
-        VacationRequestCreated::class => [HandleCreatedVacationRequest::class],
+        VacationRequestCreated::class => [HandleCreatedVacationRequest::class, SendCreatedVacationRequestNotification::class],
         VacationRequestAcceptedByTechnical::class => [HandleAcceptedByTechnicalVacationRequest::class],
         VacationRequestAcceptedByAdministrative::class => [HandleAcceptedByAdministrativeVacationRequest::class],
-        VacationRequestApproved::class => [HandleApprovedVacationRequest::class],
-        VacationRequestCancelled::class => [HandleCancelledVacationRequest::class],
+        VacationRequestApproved::class => [HandleApprovedVacationRequest::class, SendApprovedVacationRequestNotification::class],
+        VacationRequestRejected::class => [SendRejectedVacationRequestNotification::class],
+        VacationRequestCancelled::class => [HandleCancelledVacationRequest::class, SendCancelledVacationRequestNotification::class],
+        VacationRequestWaitsForTechApproval::class => [SendWaitedForTechnicalVacationRequestNotification::class],
+        VacationRequestWaitsForAdminApproval::class => [SendWaitedForAdministrativeVacationRequestNotification::class],
     ];
 }
diff --git a/app/Domain/CalendarGenerator.php b/app/Domain/CalendarGenerator.php
index a4c9d3f..559269c 100644
--- a/app/Domain/CalendarGenerator.php
+++ b/app/Domain/CalendarGenerator.php
@@ -4,10 +4,9 @@ declare(strict_types=1);
 
 namespace Toby\Domain;
 
-use Carbon\CarbonImmutable;
-use Carbon\CarbonInterface;
 use Carbon\CarbonPeriod;
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Support\Carbon;
 use Illuminate\Support\Collection;
 use Toby\Eloquent\Helpers\YearPeriodRetriever;
 use Toby\Eloquent\Models\Vacation;
@@ -20,33 +19,16 @@ class CalendarGenerator
     ) {
     }
 
-    public function generate(YearPeriod $yearPeriod, string $month): array
+    public function generate(Carbon $month): array
     {
-        $date = CarbonImmutable::create($yearPeriod->year, $this->monthNameToNumber($month));
-        $period = CarbonPeriod::create($date->startOfMonth(), $date->endOfMonth());
+        $period = CarbonPeriod::create($month->copy()->startOfMonth(), $month->copy()->endOfMonth());
+        $yearPeriod = YearPeriod::findByYear($month->year);
+
         $holidays = $yearPeriod->holidays()->pluck("date");
 
         return $this->generateCalendar($period, $holidays);
     }
 
-    protected function monthNameToNumber($name): int
-    {
-        return match ($name) {
-            default => CarbonInterface::JANUARY,
-            "february" => CarbonInterface::FEBRUARY,
-            "march" => CarbonInterface::MARCH,
-            "april" => CarbonInterface::APRIL,
-            "may" => CarbonInterface::MAY,
-            "june" => CarbonInterface::JUNE,
-            "july" => CarbonInterface::JULY,
-            "august" => CarbonInterface::AUGUST,
-            "september" => CarbonInterface::SEPTEMBER,
-            "october" => CarbonInterface::OCTOBER,
-            "november" => CarbonInterface::NOVEMBER,
-            "december" => CarbonInterface::DECEMBER,
-        };
-    }
-
     protected function generateCalendar(CarbonPeriod $period, Collection $holidays): array
     {
         $calendar = [];
diff --git a/app/Domain/Enums/Month.php b/app/Domain/Enums/Month.php
new file mode 100644
index 0000000..a6d2921
--- /dev/null
+++ b/app/Domain/Enums/Month.php
@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Enums;
+
+use Carbon\CarbonInterface;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Str;
+
+enum Month: string
+{
+    case January = "january";
+    case February = "february";
+    case March = "march";
+    case April = "april";
+    case May = "may";
+    case June = "june";
+    case July = "july";
+    case August = "august";
+    case September = "september";
+    case October = "october";
+    case November = "november";
+    case December = "december";
+
+    public function toCarbonNumber(): int
+    {
+        return match ($this) {
+            self::January => CarbonInterface::JANUARY,
+            self::February => CarbonInterface::FEBRUARY,
+            self::March => CarbonInterface::MARCH,
+            self::April => CarbonInterface::APRIL,
+            self::May => CarbonInterface::MAY,
+            self::June => CarbonInterface::JUNE,
+            self::July => CarbonInterface::JULY,
+            self::August => CarbonInterface::AUGUST,
+            self::September => CarbonInterface::SEPTEMBER,
+            self::October => CarbonInterface::OCTOBER,
+            self::November => CarbonInterface::NOVEMBER,
+            self::December => CarbonInterface::DECEMBER,
+        };
+    }
+
+    public static function current(): Month
+    {
+        return Month::from(Str::lower(Carbon::now()->englishMonth));
+    }
+
+    public static function fromNameOrCurrent(string $name): Month
+    {
+        return Month::tryFrom($name) ?? Month::current();
+    }
+}
diff --git a/app/Domain/Events/VacationRequestRejected.php b/app/Domain/Events/VacationRequestRejected.php
new file mode 100644
index 0000000..5378736
--- /dev/null
+++ b/app/Domain/Events/VacationRequestRejected.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Events;
+
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestRejected
+{
+    use Dispatchable;
+    use SerializesModels;
+
+    public function __construct(
+        public VacationRequest $vacationRequest,
+    ) {
+    }
+}
diff --git a/app/Domain/Events/VacationRequestWaitsForAdminApproval.php b/app/Domain/Events/VacationRequestWaitsForAdminApproval.php
new file mode 100644
index 0000000..5903f2e
--- /dev/null
+++ b/app/Domain/Events/VacationRequestWaitsForAdminApproval.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Events;
+
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestWaitsForAdminApproval
+{
+    use Dispatchable;
+    use SerializesModels;
+
+    public function __construct(
+        public VacationRequest $vacationRequest,
+    ) {
+    }
+}
diff --git a/app/Domain/Events/VacationRequestWaitsForTechApproval.php b/app/Domain/Events/VacationRequestWaitsForTechApproval.php
new file mode 100644
index 0000000..9ba9123
--- /dev/null
+++ b/app/Domain/Events/VacationRequestWaitsForTechApproval.php
@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Events;
+
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Queue\SerializesModels;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestWaitsForTechApproval
+{
+    use Dispatchable;
+    use SerializesModels;
+
+    public function __construct(
+        public VacationRequest $vacationRequest,
+    ) {
+    }
+}
diff --git a/app/Domain/Listeners/HandleCreatedVacationRequest.php b/app/Domain/Listeners/HandleCreatedVacationRequest.php
index 998f82a..bdc0824 100644
--- a/app/Domain/Listeners/HandleCreatedVacationRequest.php
+++ b/app/Domain/Listeners/HandleCreatedVacationRequest.php
@@ -20,6 +20,12 @@ class HandleCreatedVacationRequest
     {
         $vacationRequest = $event->vacationRequest;
 
+        if ($vacationRequest->hasFlowSkipped()) {
+            $this->stateManager->approve($vacationRequest);
+
+            return;
+        }
+
         if ($this->configRetriever->needsTechnicalApproval($vacationRequest->type)) {
             $this->stateManager->waitForTechnical($vacationRequest);
 
diff --git a/app/Domain/Listeners/SendApprovedVacationRequestNotification.php b/app/Domain/Listeners/SendApprovedVacationRequestNotification.php
new file mode 100644
index 0000000..ed4abe3
--- /dev/null
+++ b/app/Domain/Listeners/SendApprovedVacationRequestNotification.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Events\VacationRequestApproved;
+use Toby\Domain\Notifications\VacationRequestApprovedNotification;
+use Toby\Eloquent\Models\User;
+
+class SendApprovedVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestApproved $event): void
+    {
+        foreach ($this->getUsersForNotifications() as $user) {
+            $user->notify(new VacationRequestApprovedNotification($event->vacationRequest, $user));
+        }
+
+        $event->vacationRequest->user->notify(new VacationRequestApprovedNotification($event->vacationRequest, $event->vacationRequest->user));
+    }
+
+    protected function getUsersForNotifications(): Collection
+    {
+        return User::query()
+            ->whereIn("role", [Role::TechnicalApprover, Role::AdministrativeApprover])
+            ->get();
+    }
+}
diff --git a/app/Domain/Listeners/SendCancelledVacationRequestNotification.php b/app/Domain/Listeners/SendCancelledVacationRequestNotification.php
new file mode 100644
index 0000000..ec64eaf
--- /dev/null
+++ b/app/Domain/Listeners/SendCancelledVacationRequestNotification.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Events\VacationRequestCancelled;
+use Toby\Domain\Notifications\VacationRequestCancelledNotification;
+use Toby\Eloquent\Models\User;
+
+class SendCancelledVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestCancelled $event): void
+    {
+        foreach ($this->getUsersForNotifications() as $user) {
+            $user->notify(new VacationRequestCancelledNotification($event->vacationRequest, $user));
+        }
+
+        $event->vacationRequest->user->notify(new VacationRequestCancelledNotification($event->vacationRequest, $event->vacationRequest->user));
+    }
+
+    protected function getUsersForNotifications(): Collection
+    {
+        return User::query()
+            ->whereIn("role", [Role::TechnicalApprover, Role::AdministrativeApprover])
+            ->get();
+    }
+}
diff --git a/app/Domain/Listeners/SendCreatedVacationRequestNotification.php b/app/Domain/Listeners/SendCreatedVacationRequestNotification.php
new file mode 100644
index 0000000..56bd726
--- /dev/null
+++ b/app/Domain/Listeners/SendCreatedVacationRequestNotification.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Toby\Domain\Events\VacationRequestCreated;
+use Toby\Domain\Notifications\VacationRequestCreatedNotification;
+use Toby\Domain\Notifications\VacationRequestCreatedOnEmployeeBehalf;
+
+class SendCreatedVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestCreated $event): void
+    {
+        $vacationRequest = $event->vacationRequest;
+
+        if ($vacationRequest->creator->is($vacationRequest->user)) {
+            $vacationRequest->user->notify(new VacationRequestCreatedNotification($vacationRequest));
+        } else {
+            $vacationRequest->user->notify(new VacationRequestCreatedOnEmployeeBehalf($vacationRequest));
+        }
+    }
+}
diff --git a/app/Domain/Listeners/SendRejectedVacationRequestNotification.php b/app/Domain/Listeners/SendRejectedVacationRequestNotification.php
new file mode 100644
index 0000000..3835d34
--- /dev/null
+++ b/app/Domain/Listeners/SendRejectedVacationRequestNotification.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Events\VacationRequestRejected;
+use Toby\Domain\Notifications\VacationRequestRejectedNotification;
+use Toby\Eloquent\Models\User;
+
+class SendRejectedVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestRejected $event): void
+    {
+        foreach ($this->getUsersForNotifications() as $user) {
+            $user->notify(new VacationRequestRejectedNotification($event->vacationRequest, $user));
+        }
+
+        $event->vacationRequest->user->notify(new VacationRequestRejectedNotification($event->vacationRequest, $event->vacationRequest->user));
+    }
+
+    protected function getUsersForNotifications(): Collection
+    {
+        return User::query()
+            ->whereIn("role", [Role::TechnicalApprover, Role::AdministrativeApprover])
+            ->get();
+    }
+}
diff --git a/app/Domain/Listeners/SendWaitedForAdministrativeVacationRequestNotification.php b/app/Domain/Listeners/SendWaitedForAdministrativeVacationRequestNotification.php
new file mode 100644
index 0000000..0637521
--- /dev/null
+++ b/app/Domain/Listeners/SendWaitedForAdministrativeVacationRequestNotification.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Events\VacationRequestWaitsForAdminApproval;
+use Toby\Domain\Notifications\VacationRequestWaitsForAdminApprovalNotification;
+use Toby\Eloquent\Models\User;
+
+class SendWaitedForAdministrativeVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestWaitsForAdminApproval $event): void
+    {
+        foreach ($this->getUsersForNotifications() as $user) {
+            $user->notify(new VacationRequestWaitsForAdminApprovalNotification($event->vacationRequest, $user));
+        }
+    }
+
+    protected function getUsersForNotifications(): Collection
+    {
+        return User::query()
+            ->where("role", [Role::AdministrativeApprover])
+            ->get();
+    }
+}
diff --git a/app/Domain/Listeners/SendWaitedForTechnicalVacationRequestNotification.php b/app/Domain/Listeners/SendWaitedForTechnicalVacationRequestNotification.php
new file mode 100644
index 0000000..3a0ef75
--- /dev/null
+++ b/app/Domain/Listeners/SendWaitedForTechnicalVacationRequestNotification.php
@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Listeners;
+
+use Illuminate\Support\Collection;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Events\VacationRequestWaitsForTechApproval;
+use Toby\Domain\Notifications\VacationRequestWaitsForTechApprovalNotification;
+use Toby\Eloquent\Models\User;
+
+class SendWaitedForTechnicalVacationRequestNotification
+{
+    public function __construct(
+    ) {
+    }
+
+    public function handle(VacationRequestWaitsForTechApproval $event): void
+    {
+        foreach ($this->getUsersForNotifications() as $user) {
+            $user->notify(new VacationRequestWaitsForTechApprovalNotification($event->vacationRequest, $user));
+        }
+    }
+
+    protected function getUsersForNotifications(): Collection
+    {
+        return User::query()
+            ->where("role", [Role::TechnicalApprover])
+            ->get();
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestApprovedNotification.php b/app/Domain/Notifications/VacationRequestApprovedNotification.php
new file mode 100644
index 0000000..0466062
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestApprovedNotification.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestApprovedNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+        protected User $user,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->user->first_name;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+        $requester = $this->vacationRequest->user->fullName;
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title has been approved", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title for user :requester has been approved.", [
+                "title" => $title,
+                "requester" => $requester,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestCancelledNotification.php b/app/Domain/Notifications/VacationRequestCancelledNotification.php
new file mode 100644
index 0000000..2b19940
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestCancelledNotification.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestCancelledNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+        protected User $user,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->user->first_name;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+        $requester = $this->vacationRequest->user->fullName;
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title has been cancelled", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title for user :requester has been cancelled.", [
+                "title" => $title,
+                "requester" => $requester,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestCreatedNotification.php b/app/Domain/Notifications/VacationRequestCreatedNotification.php
new file mode 100644
index 0000000..75c9549
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestCreatedNotification.php
@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestCreatedNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->vacationRequest->user->first_name;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+        $appName = config("app.name");
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title has been created", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title has been created correctly in the :appName.", [
+                "title" => $title,
+                "appName" => $appName,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestCreatedOnEmployeeBehalf.php b/app/Domain/Notifications/VacationRequestCreatedOnEmployeeBehalf.php
new file mode 100644
index 0000000..cf54b6b
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestCreatedOnEmployeeBehalf.php
@@ -0,0 +1,74 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestCreatedOnEmployeeBehalf extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $creator = $this->vacationRequest->creator->fullName;
+        $user = $this->vacationRequest->user->first_name;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+        $appName = config("app.name");
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title has been created on your behalf", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title has been created correctly by user :creator on your behalf in the :appName.", [
+                "title" => $title,
+                "appName" => $appName,
+                "creator" => $creator,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestRejectedNotification.php b/app/Domain/Notifications/VacationRequestRejectedNotification.php
new file mode 100644
index 0000000..98775cd
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestRejectedNotification.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestRejectedNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+        protected User $user,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->user->first_name;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+        $requester = $this->vacationRequest->user->fullName;
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title has been rejected", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title for user :requester has been rejected.", [
+                "title" => $title,
+                "requester" => $requester,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestWaitsForAdminApprovalNotification.php b/app/Domain/Notifications/VacationRequestWaitsForAdminApprovalNotification.php
new file mode 100644
index 0000000..2dc718c
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestWaitsForAdminApprovalNotification.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestWaitsForAdminApprovalNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+        protected User $user,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->user->first_name;
+        $requester = $this->vacationRequest->user->fullName;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title is waiting for your approval", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title from user: :requester is waiting for your approval.", [
+                "title" => $title,
+                "requester" => $requester,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/Notifications/VacationRequestWaitsForTechApprovalNotification.php b/app/Domain/Notifications/VacationRequestWaitsForTechApprovalNotification.php
new file mode 100644
index 0000000..703cbee
--- /dev/null
+++ b/app/Domain/Notifications/VacationRequestWaitsForTechApprovalNotification.php
@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain\Notifications;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+use InvalidArgumentException;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+
+class VacationRequestWaitsForTechApprovalNotification extends Notification
+{
+    use Queueable;
+
+    public function __construct(
+        protected VacationRequest $vacationRequest,
+        protected User $user,
+    ) {
+    }
+
+    public function via(): array
+    {
+        return ["mail"];
+    }
+
+    /**
+     * @throws InvalidArgumentException
+     */
+    public function toMail(): MailMessage
+    {
+        $url = route(
+            "vacation.requests.show",
+            [
+                "vacationRequest" => $this->vacationRequest,
+            ],
+        );
+
+        return $this->buildMailMessage($url);
+    }
+
+    protected function buildMailMessage(string $url): MailMessage
+    {
+        $user = $this->user->first_name;
+        $requester = $this->vacationRequest->user->fullName;
+        $title = $this->vacationRequest->name;
+        $type = $this->vacationRequest->type->label();
+        $from = $this->vacationRequest->from->toDisplayDate();
+        $to = $this->vacationRequest->to->toDisplayDate();
+        $days = $this->vacationRequest->vacations()->count();
+
+        return (new MailMessage())
+            ->greeting(__("Hi :user!", [
+                "user" => $user,
+            ]))
+            ->subject(__("Vacation request :title is waiting for your approval", [
+                "title" => $title,
+            ]))
+            ->line(__("The vacation request :title from user: :requester is waiting for your approval.", [
+                "title" => $title,
+                "requester" => $requester,
+            ]))
+            ->line(__("Vacation type: :type", [
+                "type" => $type,
+            ]))
+            ->line(__("From :from to :to (number of days: :days)", [
+                "from" => $from,
+                "to" => $to,
+                "days" => $days,
+            ]))
+            ->action(__("Click here for details"), $url);
+    }
+}
diff --git a/app/Domain/TimesheetExport.php b/app/Domain/TimesheetExport.php
new file mode 100644
index 0000000..f0ed480
--- /dev/null
+++ b/app/Domain/TimesheetExport.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain;
+
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Support\Carbon;
+use Maatwebsite\Excel\Concerns\WithMultipleSheets;
+use Toby\Eloquent\Models\User;
+
+class TimesheetExport implements WithMultipleSheets
+{
+    protected Collection $users;
+    protected Carbon $month;
+
+    public function sheets(): array
+    {
+        return $this->users
+            ->map(fn(User $user) => new TimesheetPerUserSheet($user, $this->month))
+            ->toArray();
+    }
+
+    public function forUsers(Collection $users): static
+    {
+        $this->users = $users;
+
+        return $this;
+    }
+
+    public function forMonth(Carbon $month): static
+    {
+        $this->month = $month;
+
+        return $this;
+    }
+}
diff --git a/app/Domain/TimesheetPerUserSheet.php b/app/Domain/TimesheetPerUserSheet.php
new file mode 100644
index 0000000..7563473
--- /dev/null
+++ b/app/Domain/TimesheetPerUserSheet.php
@@ -0,0 +1,222 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Domain;
+
+use Carbon\CarbonInterface;
+use Carbon\CarbonPeriod;
+use Generator;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Collection;
+use Maatwebsite\Excel\Concerns\FromGenerator;
+use Maatwebsite\Excel\Concerns\RegistersEventListeners;
+use Maatwebsite\Excel\Concerns\ShouldAutoSize;
+use Maatwebsite\Excel\Concerns\WithEvents;
+use Maatwebsite\Excel\Concerns\WithHeadings;
+use Maatwebsite\Excel\Concerns\WithStrictNullComparison;
+use Maatwebsite\Excel\Concerns\WithStyles;
+use Maatwebsite\Excel\Concerns\WithTitle;
+use Maatwebsite\Excel\Events\AfterSheet;
+use PhpOffice\PhpSpreadsheet\Shared\Date;
+use PhpOffice\PhpSpreadsheet\Style\Alignment;
+use PhpOffice\PhpSpreadsheet\Style\Border;
+use PhpOffice\PhpSpreadsheet\Style\Fill;
+use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+use Toby\Domain\Enums\VacationRequestState;
+use Toby\Domain\Enums\VacationType;
+use Toby\Eloquent\Models\Holiday;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\Vacation;
+
+class TimesheetPerUserSheet implements WithTitle, WithHeadings, WithEvents, WithStyles, WithStrictNullComparison, ShouldAutoSize, FromGenerator
+{
+    use RegistersEventListeners;
+
+    protected const HOURS_PER_DAY = 8;
+    protected const START_HOUR = 8;
+    protected const END_HOUR = 16;
+
+    public function __construct(
+        protected User $user,
+        protected Carbon $month,
+    ) {
+    }
+
+    public function title(): string
+    {
+        return $this->user->fullName;
+    }
+
+    public function headings(): array
+    {
+        $types = VacationType::cases();
+
+        $headings = [
+            __("Date"),
+            __("Day of week"),
+            __("Start date"),
+            __("End date"),
+            __("Worked hours"),
+        ];
+
+        foreach ($types as $type) {
+            $headings[] = $type->label();
+        }
+
+        return $headings;
+    }
+
+    public function generator(): Generator
+    {
+        $period = CarbonPeriod::create($this->month->copy()->startOfMonth(), $this->month->copy()->endOfMonth());
+        $vacations = $this->getVacationsForPeriod($this->user, $period);
+        $holidays = $this->getHolidaysForPeriod($period);
+
+        foreach ($period as $day) {
+            $vacationsForDay = $vacations->get($day->toDateString(), new Collection());
+            $workedThisDay = $this->checkIfWorkedThisDay($day, $holidays, $vacationsForDay);
+
+            $row = [
+                Date::dateTimeToExcel($day),
+                $day->translatedFormat("l"),
+                $workedThisDay ? $this->toExcelTime(Carbon::createFromTime(static::START_HOUR)) : null,
+                $workedThisDay ? $this->toExcelTime(Carbon::createFromTime(static::END_HOUR)) : null,
+                $workedThisDay ? static::HOURS_PER_DAY : null,
+            ];
+
+            foreach (VacationType::cases() as $type) {
+                $row[] = $vacationsForDay->has($type->value) ? static::HOURS_PER_DAY : null;
+            }
+
+            yield $row;
+        }
+    }
+
+    public function styles(Worksheet $sheet): void
+    {
+        $lastRow = $sheet->getHighestRow();
+        $lastColumn = $sheet->getHighestColumn();
+
+        $sheet->getStyle("A1:{$lastColumn}1")
+            ->getFont()->setBold(true);
+
+        $sheet->getStyle("A1:{$lastColumn}1")
+            ->getAlignment()
+            ->setVertical(Alignment::VERTICAL_CENTER);
+
+        $sheet->getStyle("A1:{$lastColumn}1")
+            ->getFill()
+            ->setFillType(Fill::FILL_SOLID)
+            ->getStartColor()
+            ->setRGB("D9D9D9");
+
+        $sheet->getStyle("C1:{$lastColumn}{$lastRow}")
+            ->getAlignment()
+            ->setHorizontal(Alignment::HORIZONTAL_CENTER);
+
+        $sheet->getStyle("A2:A{$lastRow}")
+            ->getNumberFormat()
+            ->setFormatCode(NumberFormat::FORMAT_DATE_DDMMYYYY);
+
+        $sheet->getStyle("C1:D{$lastRow}")
+            ->getNumberFormat()
+            ->setFormatCode(NumberFormat::FORMAT_DATE_TIME3);
+
+        $sheet->getStyle("A2:A{$lastRow}")
+            ->getFont()
+            ->setBold(true);
+
+        for ($i = 2; $i < $lastRow; $i++) {
+            $date = Date::excelToDateTimeObject($sheet->getCell("A{$i}")->getValue());
+
+            if (Carbon::createFromInterface($date)->isWeekend()) {
+                $sheet->getStyle("A{$i}:{$lastColumn}{$i}")
+                    ->getFill()
+                    ->setFillType(Fill::FILL_SOLID)
+                    ->getStartColor()
+                    ->setRGB("FEE2E2");
+            }
+        }
+
+        $sheet->getStyle("A1:{$lastColumn}{$lastRow}")
+            ->getBorders()
+            ->getAllBorders()
+            ->setBorderStyle(Border::BORDER_THIN)
+            ->getColor()
+            ->setRGB("B7B7B7");
+    }
+
+    public static function afterSheet(AfterSheet $event): void
+    {
+        $sheet = $event->getSheet();
+        $lastRow = $sheet->getDelegate()->getHighestRow();
+
+        $sheet->append([
+            __("Sum:"),
+            null,
+            null,
+            null,
+            "=SUM(E2:E{$lastRow})",
+        ]);
+
+        $lastRow++;
+
+        $sheet->getDelegate()->getStyle("A{$lastRow}")
+            ->getAlignment()
+            ->setHorizontal(Alignment::HORIZONTAL_RIGHT);
+
+        $sheet->getDelegate()->getStyle("A{$lastRow}")
+            ->getFont()
+            ->setBold(true);
+
+        $sheet->getDelegate()->getStyle("E{$lastRow}")
+            ->getAlignment()
+            ->setHorizontal(Alignment::HORIZONTAL_CENTER);
+
+        $sheet->getDelegate()->mergeCells("A{$lastRow}:D{$lastRow}");
+
+        $sheet->getDelegate()->getStyle("A{$lastRow}:E{$lastRow}")
+            ->getBorders()
+            ->getAllBorders()
+            ->setBorderStyle(Border::BORDER_THIN)
+            ->getColor()
+            ->setRGB("B7B7B7");
+    }
+
+    protected function getVacationsForPeriod(User $user, CarbonPeriod $period): Collection
+    {
+        return $user->vacations()
+            ->with("vacationRequest")
+            ->whereBetween("date", [$period->start, $period->end])
+            ->whereRelation("vacationRequest", "state", VacationRequestState::Approved->value)
+            ->get()
+            ->groupBy(
+                [
+                    fn(Vacation $vacation) => $vacation->date->toDateString(),
+                    fn(Vacation $vacation) => $vacation->vacationRequest->type->value,
+                ],
+            );
+    }
+
+    protected function getHolidaysForPeriod(CarbonPeriod $period): Collection
+    {
+        return Holiday::query()
+            ->whereBetween("date", [$period->start, $period->end])
+            ->pluck("date");
+    }
+
+    protected function toExcelTime(Carbon $time): float
+    {
+        $excelTimestamp = Date::dateTimeToExcel($time);
+        $excelDate = floor($excelTimestamp);
+
+        return $excelTimestamp - $excelDate;
+    }
+
+    protected function checkIfWorkedThisDay(CarbonInterface $day, Collection $holidays, Collection $vacations): bool
+    {
+        return $day->isWeekday() && $holidays->doesntContain($day) && $vacations->isEmpty();
+    }
+}
diff --git a/app/Domain/VacationRequestStateManager.php b/app/Domain/VacationRequestStateManager.php
index 50e3929..624cee1 100644
--- a/app/Domain/VacationRequestStateManager.php
+++ b/app/Domain/VacationRequestStateManager.php
@@ -11,7 +11,10 @@ use Toby\Domain\Events\VacationRequestAcceptedByTechnical;
 use Toby\Domain\Events\VacationRequestApproved;
 use Toby\Domain\Events\VacationRequestCancelled;
 use Toby\Domain\Events\VacationRequestCreated;
+use Toby\Domain\Events\VacationRequestRejected;
 use Toby\Domain\Events\VacationRequestStateChanged;
+use Toby\Domain\Events\VacationRequestWaitsForAdminApproval;
+use Toby\Domain\Events\VacationRequestWaitsForTechApproval;
 use Toby\Domain\States\VacationRequest\AcceptedByAdministrative;
 use Toby\Domain\States\VacationRequest\AcceptedByTechnical;
 use Toby\Domain\States\VacationRequest\Approved;
@@ -48,6 +51,7 @@ class VacationRequestStateManager
     public function reject(VacationRequest $vacationRequest, ?User $user = null): void
     {
         $this->changeState($vacationRequest, Rejected::class, $user);
+        $this->dispatcher->dispatch(new VacationRequestRejected($vacationRequest));
     }
 
     public function cancel(VacationRequest $vacationRequest, ?User $user = null): void
@@ -74,11 +78,15 @@ class VacationRequestStateManager
     public function waitForTechnical(VacationRequest $vacationRequest, ?User $user = null): void
     {
         $this->changeState($vacationRequest, WaitingForTechnical::class, $user);
+
+        $this->dispatcher->dispatch(new VacationRequestWaitsForTechApproval($vacationRequest));
     }
 
     public function waitForAdministrative(VacationRequest $vacationRequest, ?User $user = null): void
     {
         $this->changeState($vacationRequest, WaitingForAdministrative::class, $user);
+
+        $this->dispatcher->dispatch(new VacationRequestWaitsForAdminApproval($vacationRequest));
     }
 
     protected function changeState(VacationRequest $vacationRequest, string $state, ?User $user = null): void
diff --git a/app/Eloquent/Models/User.php b/app/Eloquent/Models/User.php
index 1f8c6e3..eafa9aa 100644
--- a/app/Eloquent/Models/User.php
+++ b/app/Eloquent/Models/User.php
@@ -58,6 +58,11 @@ class User extends Authenticatable
         return $this->hasMany(VacationRequest::class);
     }
 
+    public function createdVacationRequests(): HasMany
+    {
+        return $this->hasMany(VacationRequest::class, "creator_id");
+    }
+
     public function vacations(): HasMany
     {
         return $this->hasMany(Vacation::class);
diff --git a/app/Eloquent/Models/VacationRequest.php b/app/Eloquent/Models/VacationRequest.php
index ea4353f..0b36764 100644
--- a/app/Eloquent/Models/VacationRequest.php
+++ b/app/Eloquent/Models/VacationRequest.php
@@ -23,7 +23,9 @@ use Toby\Domain\States\VacationRequest\VacationRequestState;
  * @property Carbon $from
  * @property Carbon $to
  * @property string $comment
+ * @property bool $flow_skipped
  * @property User $user
+ * @property User $creator
  * @property YearPeriod $yearPeriod
  * @property Collection $activities
  * @property Collection $vacations
@@ -49,6 +51,11 @@ class VacationRequest extends Model
         return $this->belongsTo(User::class);
     }
 
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(User::class, "creator_id");
+    }
+
     public function yearPeriod(): BelongsTo
     {
         return $this->belongsTo(YearPeriod::class);
@@ -80,6 +87,11 @@ class VacationRequest extends Model
             ->where("to", ">=", $vacationRequest->from);
     }
 
+    public function hasFlowSkipped(): bool
+    {
+        return $this->flow_skipped;
+    }
+
     protected static function newFactory(): VacationRequestFactory
     {
         return VacationRequestFactory::new();
diff --git a/app/Eloquent/Observers/VacationRequestObserver.php b/app/Eloquent/Observers/VacationRequestObserver.php
index 35b29da..4095ce2 100644
--- a/app/Eloquent/Observers/VacationRequestObserver.php
+++ b/app/Eloquent/Observers/VacationRequestObserver.php
@@ -5,7 +5,7 @@ declare(strict_types=1);
 namespace Toby\Eloquent\Observers;
 
 use Illuminate\Contracts\Auth\Factory as Auth;
-use Illuminate\Events\Dispatcher;
+use Illuminate\Contracts\Events\Dispatcher;
 use Toby\Eloquent\Models\VacationRequest;
 
 class VacationRequestObserver
diff --git a/app/Infrastructure/Http/Controllers/TimesheetController.php b/app/Infrastructure/Http/Controllers/TimesheetController.php
new file mode 100644
index 0000000..9f7fcd7
--- /dev/null
+++ b/app/Infrastructure/Http/Controllers/TimesheetController.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Toby\Infrastructure\Http\Controllers;
+
+use Illuminate\Support\Carbon;
+use Maatwebsite\Excel\Facades\Excel;
+use Symfony\Component\HttpFoundation\BinaryFileResponse;
+use Toby\Domain\Enums\Month;
+use Toby\Domain\TimesheetExport;
+use Toby\Eloquent\Helpers\YearPeriodRetriever;
+use Toby\Eloquent\Models\User;
+
+class TimesheetController extends Controller
+{
+    public function __invoke(Month $month, YearPeriodRetriever $yearPeriodRetriever): BinaryFileResponse
+    {
+        $yearPeriod = $yearPeriodRetriever->selected();
+        $carbonMonth = Carbon::create($yearPeriod->year, $month->toCarbonNumber());
+
+        $users = User::query()
+            ->orderBy("last_name")
+            ->orderBy("first_name")
+            ->get();
+
+        $filename = "{$carbonMonth->translatedFormat("F Y")}.xlsx";
+
+        $timesheet = (new TimesheetExport())
+            ->forMonth($carbonMonth)
+            ->forUsers($users);
+
+        return Excel::download($timesheet, $filename);
+    }
+}
diff --git a/app/Infrastructure/Http/Controllers/VacationCalendarController.php b/app/Infrastructure/Http/Controllers/VacationCalendarController.php
index d37cce6..ec7a33a 100644
--- a/app/Infrastructure/Http/Controllers/VacationCalendarController.php
+++ b/app/Infrastructure/Http/Controllers/VacationCalendarController.php
@@ -4,11 +4,10 @@ declare(strict_types=1);
 
 namespace Toby\Infrastructure\Http\Controllers;
 
-use Illuminate\Http\Request;
 use Illuminate\Support\Carbon;
-use Illuminate\Support\Str;
 use Inertia\Response;
 use Toby\Domain\CalendarGenerator;
+use Toby\Domain\Enums\Month;
 use Toby\Eloquent\Helpers\YearPeriodRetriever;
 use Toby\Eloquent\Models\User;
 use Toby\Infrastructure\Http\Resources\UserResource;
@@ -16,22 +15,25 @@ use Toby\Infrastructure\Http\Resources\UserResource;
 class VacationCalendarController extends Controller
 {
     public function index(
-        Request $request,
         YearPeriodRetriever $yearPeriodRetriever,
         CalendarGenerator $calendarGenerator,
+        ?string $month = null,
     ): Response {
-        $month = Str::lower($request->query("month", Carbon::now()->englishMonth));
+        $month = Month::fromNameOrCurrent((string)$month);
+
         $yearPeriod = $yearPeriodRetriever->selected();
+        $carbonMonth = Carbon::create($yearPeriod->year, $month->toCarbonNumber());
+
         $users = User::query()
             ->orderBy("last_name")
             ->orderBy("first_name")
             ->get();
 
-        $calendar = $calendarGenerator->generate($yearPeriod, $month);
+        $calendar = $calendarGenerator->generate($carbonMonth);
 
         return inertia("Calendar", [
             "calendar" => $calendar,
-            "currentMonth" => $month,
+            "currentMonth" => $month->value,
             "users" => UserResource::collection($users),
         ]);
     }
diff --git a/app/Infrastructure/Http/Controllers/VacationRequestController.php b/app/Infrastructure/Http/Controllers/VacationRequestController.php
index d432be7..08aa8f6 100644
--- a/app/Infrastructure/Http/Controllers/VacationRequestController.php
+++ b/app/Infrastructure/Http/Controllers/VacationRequestController.php
@@ -8,7 +8,6 @@ use Barryvdh\DomPDF\Facade\Pdf;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
 use Illuminate\Http\Response as LaravelResponse;
-use Illuminate\Support\Arr;
 use Inertia\Response;
 use Toby\Domain\Enums\Role;
 use Toby\Domain\Enums\VacationType;
@@ -21,8 +20,10 @@ use Toby\Domain\VacationRequestStateManager;
 use Toby\Domain\VacationRequestStatesRetriever;
 use Toby\Domain\Validation\VacationRequestValidator;
 use Toby\Eloquent\Helpers\YearPeriodRetriever;
+use Toby\Eloquent\Models\User;
 use Toby\Eloquent\Models\VacationRequest;
 use Toby\Infrastructure\Http\Requests\VacationRequestRequest;
+use Toby\Infrastructure\Http\Resources\UserResource;
 use Toby\Infrastructure\Http\Resources\VacationRequestActivityResource;
 use Toby\Infrastructure\Http\Resources\VacationRequestResource;
 
@@ -61,10 +62,10 @@ class VacationRequestController extends Controller
                 "acceptAsAdministrative" => $vacationRequest->state->canTransitionTo(AcceptedByAdministrative::class)
                     && $user === Role::AdministrativeApprover,
                 "reject" => $vacationRequest->state->canTransitionTo(Rejected::class)
-                    && in_array($user->role, [Role::TechnicalApprover, Role::AdministrativeApprover]),
+                    && in_array($user->role, [Role::TechnicalApprover, Role::AdministrativeApprover], true),
                 "cancel" => $vacationRequest->state->canTransitionTo(Cancelled::class)
                     && $user === Role::AdministrativeApprover,
-            ]
+            ],
         ]);
     }
 
@@ -79,8 +80,14 @@ class VacationRequestController extends Controller
 
     public function create(): Response
     {
+        $users = User::query()
+            ->orderBy("last_name")
+            ->orderBy("first_name")
+            ->get();
+
         return inertia("VacationRequest/Create", [
             "vacationTypes" => VacationType::casesToSelect(),
+            "users" => UserResource::collection($users),
         ]);
     }
 
@@ -91,7 +98,7 @@ class VacationRequestController extends Controller
         VacationDaysCalculator $vacationDaysCalculator,
     ): RedirectResponse {
         /** @var VacationRequest $vacationRequest */
-        $vacationRequest = $request->user()->vacationRequests()->make($request->data());
+        $vacationRequest = $request->user()->createdVacationRequests()->make($request->data());
         $vacationRequestValidator->validate($vacationRequest);
 
         $vacationRequest->save();
diff --git a/app/Infrastructure/Http/Requests/VacationRequestRequest.php b/app/Infrastructure/Http/Requests/VacationRequestRequest.php
index 3fd9e9f..f69ef10 100644
--- a/app/Infrastructure/Http/Requests/VacationRequestRequest.php
+++ b/app/Infrastructure/Http/Requests/VacationRequestRequest.php
@@ -16,9 +16,11 @@ class VacationRequestRequest extends FormRequest
     public function rules(): array
     {
         return [
+            "user" => ["required", "exists:users,id"],
             "type" => ["required", new Enum(VacationType::class)],
             "from" => ["required", "date_format:Y-m-d", new YearPeriodExists()],
             "to" => ["required", "date_format:Y-m-d", new YearPeriodExists()],
+            "flowSkipped" => ["nullable", "boolean"],
             "comment" => ["nullable"],
         ];
     }
@@ -28,11 +30,13 @@ class VacationRequestRequest extends FormRequest
         $from = $this->get("from");
 
         return [
+            "user_id" => $this->get("user"),
             "type" => $this->get("type"),
             "from" => $from,
             "to" => $this->get("to"),
             "year_period_id" => YearPeriod::findByYear(Carbon::create($from)->year)->id,
             "comment" => $this->get("comment"),
+            "flow_skipped" => $this->boolean("flowSkipped"),
         ];
     }
 }
diff --git a/app/Infrastructure/Http/Resources/VacationRequestActivityResource.php b/app/Infrastructure/Http/Resources/VacationRequestActivityResource.php
index fb9ff70..976050e 100644
--- a/app/Infrastructure/Http/Resources/VacationRequestActivityResource.php
+++ b/app/Infrastructure/Http/Resources/VacationRequestActivityResource.php
@@ -13,7 +13,7 @@ class VacationRequestActivityResource extends JsonResource
     public function toArray($request): array
     {
         return [
-            "date" => $this->created_at->format("d.m.Y"),
+            "date" => $this->created_at->toDisplayDate(),
             "time" => $this->created_at->format("H:i"),
             "user" => $this->user ? $this->user->fullName : __("System"),
             "state" => $this->to,
diff --git a/composer.json b/composer.json
index 1d5857d..2abe7c9 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,8 @@
         "laravel/tinker": "^2.5",
         "lasserafn/php-initial-avatar-generator": "^4.2",
         "spatie/laravel-google-calendar": "^3.5",
-        "spatie/laravel-model-states": "^2.1"
+        "spatie/laravel-model-states": "^2.1",
+        "maatwebsite/excel": "^3.1"
     },
     "require-dev": {
         "blumilksoftware/codestyle": "^0.9.0",
diff --git a/composer.lock b/composer.lock
index b266227..71aae96 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "3fdff95b32e84ce3b115bc3bc7289cf4",
+    "content-hash": "c090431972dc8bfbe198ce9fc9f816f3",
     "packages": [
         {
             "name": "asm89/stack-cors",
@@ -709,6 +709,57 @@
             ],
             "time": "2021-10-11T09:18:27+00:00"
         },
+        {
+            "name": "ezyang/htmlpurifier",
+            "version": "v4.14.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ezyang/htmlpurifier.git",
+                "reference": "12ab42bd6e742c70c0a52f7b82477fcd44e64b75"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/12ab42bd6e742c70c0a52f7b82477fcd44e64b75",
+                "reference": "12ab42bd6e742c70c0a52f7b82477fcd44e64b75",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.2"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-0": {
+                    "HTMLPurifier": "library/"
+                },
+                "files": [
+                    "library/HTMLPurifier.composer.php"
+                ],
+                "exclude-from-classmap": [
+                    "/library/HTMLPurifier/Language/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-2.1-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "Edward Z. Yang",
+                    "email": "admin@htmlpurifier.org",
+                    "homepage": "http://ezyang.com"
+                }
+            ],
+            "description": "Standards compliant HTML filter written in PHP",
+            "homepage": "http://htmlpurifier.org/",
+            "keywords": [
+                "html"
+            ],
+            "support": {
+                "issues": "https://github.com/ezyang/htmlpurifier/issues",
+                "source": "https://github.com/ezyang/htmlpurifier/tree/v4.14.0"
+            },
+            "time": "2021-12-25T01:21:49+00:00"
+        },
         {
             "name": "facade/ignition-contracts",
             "version": "1.0.2",
@@ -821,25 +872,23 @@
         },
         {
             "name": "fruitcake/laravel-cors",
-            "version": "v2.0.5",
+            "version": "v2.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/fruitcake/laravel-cors.git",
-                "reference": "3a066e5cac32e2d1cdaacd6b961692778f37b5fc"
+                "reference": "783a74f5e3431d7b9805be8afb60fd0a8f743534"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/fruitcake/laravel-cors/zipball/3a066e5cac32e2d1cdaacd6b961692778f37b5fc",
-                "reference": "3a066e5cac32e2d1cdaacd6b961692778f37b5fc",
+                "url": "https://api.github.com/repos/fruitcake/laravel-cors/zipball/783a74f5e3431d7b9805be8afb60fd0a8f743534",
+                "reference": "783a74f5e3431d7b9805be8afb60fd0a8f743534",
                 "shasum": ""
             },
             "require": {
                 "asm89/stack-cors": "^2.0.1",
                 "illuminate/contracts": "^6|^7|^8|^9",
                 "illuminate/support": "^6|^7|^8|^9",
-                "php": ">=7.2",
-                "symfony/http-foundation": "^4|^5|^6",
-                "symfony/http-kernel": "^4.3.4|^5|^6"
+                "php": ">=7.2"
             },
             "require-dev": {
                 "laravel/framework": "^6|^7.24|^8",
@@ -850,7 +899,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.0-dev"
+                    "dev-master": "2.1-dev"
                 },
                 "laravel": {
                     "providers": [
@@ -886,7 +935,7 @@
             ],
             "support": {
                 "issues": "https://github.com/fruitcake/laravel-cors/issues",
-                "source": "https://github.com/fruitcake/laravel-cors/tree/v2.0.5"
+                "source": "https://github.com/fruitcake/laravel-cors/tree/v2.2.0"
             },
             "funding": [
                 {
@@ -898,7 +947,78 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-01-03T14:53:04+00:00"
+            "time": "2022-02-23T14:25:13+00:00"
+        },
+        {
+            "name": "fruitcake/php-cors",
+            "version": "v1.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/fruitcake/php-cors.git",
+                "reference": "58571acbaa5f9f462c9c77e911700ac66f446d4e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/fruitcake/php-cors/zipball/58571acbaa5f9f462c9c77e911700ac66f446d4e",
+                "reference": "58571acbaa5f9f462c9c77e911700ac66f446d4e",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.4|^8.0",
+                "symfony/http-foundation": "^4.4|^5.4|^6"
+            },
+            "require-dev": {
+                "phpstan/phpstan": "^1.4",
+                "phpunit/phpunit": "^9",
+                "squizlabs/php_codesniffer": "^3.5"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.1-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Fruitcake\\Cors\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fruitcake",
+                    "homepage": "https://fruitcake.nl"
+                },
+                {
+                    "name": "Barryvdh",
+                    "email": "barryvdh@gmail.com"
+                }
+            ],
+            "description": "Cross-origin resource sharing library for the Symfony HttpFoundation",
+            "homepage": "https://github.com/fruitcake/php-cors",
+            "keywords": [
+                "cors",
+                "laravel",
+                "symfony"
+            ],
+            "support": {
+                "issues": "https://github.com/fruitcake/php-cors/issues",
+                "source": "https://github.com/fruitcake/php-cors/tree/v1.2.0"
+            },
+            "funding": [
+                {
+                    "url": "https://fruitcake.nl",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/barryvdh",
+                    "type": "github"
+                }
+            ],
+            "time": "2022-02-20T15:07:15+00:00"
         },
         {
             "name": "google/apiclient",
@@ -973,7 +1093,7 @@
         },
         {
             "name": "google/apiclient-services",
-            "version": "v0.235.0",
+            "version": "v0.236.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/googleapis/google-api-php-client-services.git",
@@ -1011,7 +1131,7 @@
             ],
             "support": {
                 "issues": "https://github.com/googleapis/google-api-php-client-services/issues",
-                "source": "https://github.com/googleapis/google-api-php-client-services/tree/v0.235.0"
+                "source": "https://github.com/googleapis/google-api-php-client-services/tree/v0.236.0"
             },
             "time": "2022-02-07T14:04:26+00:00"
         },
@@ -1284,12 +1404,12 @@
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "GuzzleHttp\\Promise\\": "src/"
-                },
                 "files": [
                     "src/functions_include.php"
-                ]
+                ],
+                "psr-4": {
+                    "GuzzleHttp\\Promise\\": "src/"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1490,12 +1610,12 @@
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Inertia\\": "src"
-                },
                 "files": [
                     "./helpers.php"
-                ]
+                ],
+                "psr-4": {
+                    "Inertia\\": "src"
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -1611,16 +1731,16 @@
         },
         {
             "name": "laravel/framework",
-            "version": "v9.1.0",
+            "version": "v9.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laravel/framework.git",
-                "reference": "ca7ddd4782f120ae50569d04eb9e40e52f67a9d9"
+                "reference": "13372872bed31ae75df8709b9de5cde01d50646e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laravel/framework/zipball/ca7ddd4782f120ae50569d04eb9e40e52f67a9d9",
-                "reference": "ca7ddd4782f120ae50569d04eb9e40e52f67a9d9",
+                "url": "https://api.github.com/repos/laravel/framework/zipball/13372872bed31ae75df8709b9de5cde01d50646e",
+                "reference": "13372872bed31ae75df8709b9de5cde01d50646e",
                 "shasum": ""
             },
             "require": {
@@ -1629,6 +1749,7 @@
                 "egulias/email-validator": "^3.1",
                 "ext-mbstring": "*",
                 "ext-openssl": "*",
+                "fruitcake/php-cors": "^1.2",
                 "laravel/serializable-closure": "^1.0",
                 "league/commonmark": "^2.2",
                 "league/flysystem": "^3.0",
@@ -1703,7 +1824,7 @@
                 "league/flysystem-ftp": "^3.0",
                 "league/flysystem-sftp-v3": "^3.0",
                 "mockery/mockery": "^1.4.4",
-                "orchestra/testbench-core": "^7.0",
+                "orchestra/testbench-core": "^7.1",
                 "pda/pheanstalk": "^4.0",
                 "phpstan/phpstan": "^1.0",
                 "phpunit/phpunit": "^9.5.8",
@@ -1785,20 +1906,20 @@
                 "issues": "https://github.com/laravel/framework/issues",
                 "source": "https://github.com/laravel/framework"
             },
-            "time": "2022-02-15T15:06:44+00:00"
+            "time": "2022-02-22T15:30:23+00:00"
         },
         {
             "name": "laravel/sanctum",
-            "version": "v2.14.1",
+            "version": "v2.14.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/laravel/sanctum.git",
-                "reference": "89937617fa144ddb759a740861a47c4f2fd2245b"
+                "reference": "dc5d749ba9bfcfd68d8f5c272238f88bea223e66"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/laravel/sanctum/zipball/89937617fa144ddb759a740861a47c4f2fd2245b",
-                "reference": "89937617fa144ddb759a740861a47c4f2fd2245b",
+                "url": "https://api.github.com/repos/laravel/sanctum/zipball/dc5d749ba9bfcfd68d8f5c272238f88bea223e66",
+                "reference": "dc5d749ba9bfcfd68d8f5c272238f88bea223e66",
                 "shasum": ""
             },
             "require": {
@@ -1849,7 +1970,7 @@
                 "issues": "https://github.com/laravel/sanctum/issues",
                 "source": "https://github.com/laravel/sanctum"
             },
-            "time": "2022-02-15T08:08:57+00:00"
+            "time": "2022-02-16T14:40:23+00:00"
         },
         {
             "name": "laravel/serializable-closure",
@@ -2466,16 +2587,16 @@
         },
         {
             "name": "league/flysystem",
-            "version": "3.0.8",
+            "version": "3.0.9",
             "source": {
                 "type": "git",
                 "url": "https://github.com/thephpleague/flysystem.git",
-                "reference": "30f2c7069b2625da5b126ac66cbea7618a3db8b6"
+                "reference": "fb0801a60b7f9ea4188f01c25cb48aed26db7fb6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/thephpleague/flysystem/zipball/30f2c7069b2625da5b126ac66cbea7618a3db8b6",
-                "reference": "30f2c7069b2625da5b126ac66cbea7618a3db8b6",
+                "url": "https://api.github.com/repos/thephpleague/flysystem/zipball/fb0801a60b7f9ea4188f01c25cb48aed26db7fb6",
+                "reference": "fb0801a60b7f9ea4188f01c25cb48aed26db7fb6",
                 "shasum": ""
             },
             "require": {
@@ -2535,7 +2656,7 @@
             ],
             "support": {
                 "issues": "https://github.com/thephpleague/flysystem/issues",
-                "source": "https://github.com/thephpleague/flysystem/tree/3.0.8"
+                "source": "https://github.com/thephpleague/flysystem/tree/3.0.9"
             },
             "funding": [
                 {
@@ -2551,7 +2672,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2022-02-16T18:51:54+00:00"
+            "time": "2022-02-22T07:37:40+00:00"
         },
         {
             "name": "league/mime-type-detection",
@@ -2685,6 +2806,262 @@
             },
             "time": "2021-08-15T23:05:49+00:00"
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                 "issues": "https://github.com/sebastianbergmann/php-code-coverage/issues",
-                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.10"
+                "source": "https://github.com/sebastianbergmann/php-code-coverage/tree/9.2.13"
             },
             "funding": [
                 {
@@ -7994,7 +8532,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2021-12-05T09:12:13+00:00"
+            "time": "2022-02-23T17:02:38+00:00"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -8239,16 +8777,16 @@
         },
         {
             "name": "phpunit/phpunit",
-            "version": "9.5.13",
+            "version": "9.5.16",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "597cb647654ede35e43b137926dfdfef0fb11743"
+                "reference": "5ff8c545a50226c569310a35f4fa89d79f1ddfdc"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/597cb647654ede35e43b137926dfdfef0fb11743",
-                "reference": "597cb647654ede35e43b137926dfdfef0fb11743",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/5ff8c545a50226c569310a35f4fa89d79f1ddfdc",
+                "reference": "5ff8c545a50226c569310a35f4fa89d79f1ddfdc",
                 "shasum": ""
             },
             "require": {
@@ -8264,7 +8802,7 @@
                 "phar-io/version": "^3.0.2",
                 "php": ">=7.3",
                 "phpspec/prophecy": "^1.12.1",
-                "phpunit/php-code-coverage": "^9.2.7",
+                "phpunit/php-code-coverage": "^9.2.13",
                 "phpunit/php-file-iterator": "^3.0.5",
                 "phpunit/php-invoker": "^3.1.1",
                 "phpunit/php-text-template": "^2.0.3",
@@ -8326,7 +8864,7 @@
             ],
             "support": {
                 "issues": "https://github.com/sebastianbergmann/phpunit/issues",
-                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.5.13"
+                "source": "https://github.com/sebastianbergmann/phpunit/tree/9.5.16"
             },
             "funding": [
                 {
@@ -8338,7 +8876,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-01-24T07:33:35+00:00"
+            "time": "2022-02-23T17:10:58+00:00"
         },
         {
             "name": "sebastian/cli-parser",
@@ -9432,16 +9970,16 @@
         },
         {
             "name": "spatie/ignition",
-            "version": "1.0.4",
+            "version": "1.0.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/spatie/ignition.git",
-                "reference": "617c41d1bf675d95a7bd9adc826ba93d43affe7f"
+                "reference": "6b7bb804f4834b080f5ac941f6ac6800a485011e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/spatie/ignition/zipball/617c41d1bf675d95a7bd9adc826ba93d43affe7f",
-                "reference": "617c41d1bf675d95a7bd9adc826ba93d43affe7f",
+                "url": "https://api.github.com/repos/spatie/ignition/zipball/6b7bb804f4834b080f5ac941f6ac6800a485011e",
+                "reference": "6b7bb804f4834b080f5ac941f6ac6800a485011e",
                 "shasum": ""
             },
             "require": {
@@ -9499,7 +10037,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2022-02-16T09:02:42+00:00"
+            "time": "2022-02-17T21:40:47+00:00"
         },
         {
             "name": "spatie/laravel-ignition",
diff --git a/config/excel.php b/config/excel.php
new file mode 100644
index 0000000..216664a
--- /dev/null
+++ b/config/excel.php
@@ -0,0 +1,104 @@
+<?php
+
+declare(strict_types=1);
+
+use Maatwebsite\Excel\DefaultValueBinder;
+use Maatwebsite\Excel\Excel;
+
+return [
+    "exports" => [
+        "chunk_size" => 1000,
+        "pre_calculate_formulas" => false,
+        "strict_null_comparison" => false,
+        "csv" => [
+            "delimiter" => ",",
+            "enclosure" => '"',
+            "line_ending" => PHP_EOL,
+            "use_bom" => false,
+            "include_separator_line" => false,
+            "excel_compatibility" => false,
+            "output_encoding" => "",
+        ],
+        "properties" => [
+            "creator" => "",
+            "lastModifiedBy" => "",
+            "title" => "",
+            "description" => "",
+            "subject" => "",
+            "keywords" => "",
+            "category" => "",
+            "manager" => "",
+            "company" => "",
+        ],
+    ],
+
+    "imports" => [
+        "read_only" => true,
+        "ignore_empty" => false,
+        "heading_row" => [
+            "formatter" => "slug",
+        ],
+        "csv" => [
+            "delimiter" => ",",
+            "enclosure" => '"',
+            "escape_character" => "\\",
+            "contiguous" => false,
+            "input_encoding" => "UTF-8",
+        ],
+        "properties" => [
+            "creator" => "",
+            "lastModifiedBy" => "",
+            "title" => "",
+            "description" => "",
+            "subject" => "",
+            "keywords" => "",
+            "category" => "",
+            "manager" => "",
+            "company" => "",
+        ],
+    ],
+    "extension_detector" => [
+        "xlsx" => Excel::XLSX,
+        "xlsm" => Excel::XLSX,
+        "xltx" => Excel::XLSX,
+        "xltm" => Excel::XLSX,
+        "xls" => Excel::XLS,
+        "xlt" => Excel::XLS,
+        "ods" => Excel::ODS,
+        "ots" => Excel::ODS,
+        "slk" => Excel::SLK,
+        "xml" => Excel::XML,
+        "gnumeric" => Excel::GNUMERIC,
+        "htm" => Excel::HTML,
+        "html" => Excel::HTML,
+        "csv" => Excel::CSV,
+        "tsv" => Excel::TSV,
+        "pdf" => Excel::DOMPDF,
+    ],
+    "value_binder" => [
+        "default" => DefaultValueBinder::class,
+    ],
+
+    "cache" => [
+        "driver" => "memory",
+        "batch" => [
+            "memory_limit" => 60000,
+        ],
+        "illuminate" => [
+            "store" => null,
+        ],
+    ],
+    "transactions" => [
+        "handler" => "db",
+        "db" => [
+            "connection" => null,
+        ],
+    ],
+
+    "temporary_files" => [
+        "local_path" => storage_path("framework/cache/laravel-excel"),
+        "remote_disk" => null,
+        "remote_prefix" => null,
+        "force_resync_remote" => null,
+    ],
+];
diff --git a/config/mail.php b/config/mail.php
index 6461e38..0bbffd9 100644
--- a/config/mail.php
+++ b/config/mail.php
@@ -35,7 +35,7 @@ return [
         "name" => env("MAIL_FROM_NAME", "Example"),
     ],
     "markdown" => [
-        "theme" => "default",
+        "theme" => "mail",
         "paths" => [
             resource_path("views/vendor/mail"),
         ],
diff --git a/database/factories/VacationRequestFactory.php b/database/factories/VacationRequestFactory.php
index fbf130b..f9689b7 100644
--- a/database/factories/VacationRequestFactory.php
+++ b/database/factories/VacationRequestFactory.php
@@ -24,8 +24,9 @@ class VacationRequestFactory extends Factory
 
         return [
             "user_id" => User::factory(),
+            "creator_id" => fn(array $attributes): int => $attributes["user_id"],
             "year_period_id" => YearPeriod::factory(),
-            "name" => fn(array $attributes) => $this->generateName($attributes),
+            "name" => fn(array $attributes): string => $this->generateName($attributes),
             "type" => $this->faker->randomElement(VacationType::cases()),
             "state" => $this->faker->randomElement(VacationRequestStatesRetriever::all()),
             "from" => $from,
diff --git a/database/migrations/2022_01_26_100039_create_vacation_requests_table.php b/database/migrations/2022_01_26_100039_create_vacation_requests_table.php
index f5270da..d9efcc7 100644
--- a/database/migrations/2022_01_26_100039_create_vacation_requests_table.php
+++ b/database/migrations/2022_01_26_100039_create_vacation_requests_table.php
@@ -14,6 +14,7 @@ return new class() extends Migration {
         Schema::create("vacation_requests", function (Blueprint $table): void {
             $table->id();
             $table->string("name");
+            $table->foreignIdFor(User::class, "creator_id")->constrained("users")->cascadeOnDelete();
             $table->foreignIdFor(User::class)->constrained()->cascadeOnDelete();
             $table->foreignIdFor(YearPeriod::class)->constrained()->cascadeOnDelete();
             $table->string("type");
@@ -21,6 +22,7 @@ return new class() extends Migration {
             $table->date("from");
             $table->date("to");
             $table->text("comment")->nullable();
+            $table->boolean("flow_skipped")->default(false);
             $table->timestamps();
         });
     }
diff --git a/database/seeders/DatabaseSeeder.php b/database/seeders/DatabaseSeeder.php
index 614d712..12390fa 100644
--- a/database/seeders/DatabaseSeeder.php
+++ b/database/seeders/DatabaseSeeder.php
@@ -77,6 +77,7 @@ class DatabaseSeeder extends Seeder
             VacationRequest::factory()
                 ->count(10)
                 ->for($user)
+                ->for($user, "creator")
                 ->sequence(fn() => [
                     "year_period_id" => $yearPeriods->random()->id,
                 ])
diff --git a/package-lock.json b/package-lock.json
index 958999c..1d8d8f7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,5 @@
 {
-    "name": "toby",
+    "name": "application",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
diff --git a/resources/js/Composables/yearPeriodInfo.js b/resources/js/Composables/yearPeriodInfo.js
new file mode 100644
index 0000000..8425e0a
--- /dev/null
+++ b/resources/js/Composables/yearPeriodInfo.js
@@ -0,0 +1,12 @@
+import {computed} from 'vue'
+import {usePage} from '@inertiajs/inertia-vue3'
+
+export default function useCurrentYearPeriodInfo() {
+  const minDate = computed(() => new Date(usePage().props.value.years.current, 0, 1))
+  const maxDate = computed(() => new Date(usePage().props.value.years.current, 11, 31))
+
+  return {
+    minDate,
+    maxDate,
+  }
+}
diff --git a/resources/js/Pages/Calendar.vue b/resources/js/Pages/Calendar.vue
index 1415b0a..1a8e095 100644
--- a/resources/js/Pages/Calendar.vue
+++ b/resources/js/Pages/Calendar.vue
@@ -1,10 +1,20 @@
 <template>
   <InertiaHead title="Kalendarz urlopów" />
   <div class="bg-white shadow-md">
-    <div class="p-4 sm:px-6">
-      <h2 class="text-lg leading-6 font-medium text-gray-900">
-        Kalendarz urlopów
-      </h2>
+    <div class="flex justify-between items-center p-4 sm:px-6">
+      <div>
+        <h2 class="text-lg leading-6 font-medium text-gray-900">
+          Kalendarz urlopów
+        </h2>
+      </div>
+      <div>
+        <a
+          :href="`/timesheet/${selectedMonth.value}`"
+          class="inline-flex items-center px-4 py-3 border border-transparent text-sm leading-4 font-medium rounded-md shadow-sm text-white bg-blumilk-600 hover:bg-blumilk-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blumilk-500"
+        >
+          Pobierz plik excel
+        </a>
+      </div>
     </div>
     <div class="overflow-x-auto">
       <table class="w-full text-center table-fixed text-sm border border-gray-300">
@@ -19,7 +29,7 @@
                   <MenuButton
                     class="inline-flex justify-center w-full rounded-md border border-gray-300 shadow-sm px-4 py-2 bg-white text-sm font-medium text-gray-700 hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blumilk-500"
                   >
-                    {{ selectedMonth.name }}
+                    {{ selectedMonth.name }} {{ years.current }}
                     <ChevronDownIcon class="-mr-1 ml-2 h-5 w-5" />
                   </MenuButton>
                 </div>
@@ -42,8 +52,7 @@
                         v-slot="{ active }"
                       >
                         <InertiaLink
-                          href="/vacation-calendar"
-                          :data="{ month: month.value }"
+                          :href="`/vacation-calendar/${month.value}`"
                           :class="[active ? 'bg-gray-100 text-gray-900' : 'text-gray-700', 'flex w-full font-normal px-4 py-2 text-sm']"
                         >
                           {{ month.name }}
@@ -151,6 +160,10 @@ export default {
       type: String,
       default: () => 'january',
     },
+    years: {
+      type: Object,
+      default: () => null,
+    },
   },
   setup(props) {
     const {getMonths, findMonth} = useMonthInfo()
diff --git a/resources/js/Pages/Holidays/Create.vue b/resources/js/Pages/Holidays/Create.vue
index b906242..48a7850 100644
--- a/resources/js/Pages/Holidays/Create.vue
+++ b/resources/js/Pages/Holidays/Create.vue
@@ -48,6 +48,7 @@
             id="date"
             v-model="form.date"
             placeholder="Wybierz datę"
+            :config="{minDate, maxDate}"
             class="block w-full max-w-lg shadow-sm rounded-md sm:text-sm"
             :class="{ 'border-red-300 text-red-900 focus:outline-none focus:ring-red-500 focus:border-red-500': form.errors.date, 'focus:ring-blumilk-500 focus:border-blumilk-500 sm:text-sm border-gray-300': !form.errors.date }"
           />
@@ -81,8 +82,9 @@
 </template>
 
 <script>
-import { useForm } from '@inertiajs/inertia-vue3'
+import {useForm} from '@inertiajs/inertia-vue3'
 import FlatPickr from 'vue-flatpickr-component'
+import useCurrentYearPeriodInfo from '@/Composables/yearPeriodInfo'
 
 export default {
   name: 'HolidayCreate',
@@ -95,7 +97,13 @@ export default {
       date: null,
     })
 
-    return { form }
+    const {minDate, maxDate} = useCurrentYearPeriodInfo()
+
+    return {
+      form,
+      minDate,
+      maxDate,
+    }
   },
   methods: {
     createHoliday() {
diff --git a/resources/js/Pages/VacationRequest/Create.vue b/resources/js/Pages/VacationRequest/Create.vue
index aa62200..d36105c 100644
--- a/resources/js/Pages/VacationRequest/Create.vue
+++ b/resources/js/Pages/VacationRequest/Create.vue
@@ -28,6 +28,76 @@
           </div>
         </div>
       </div>
+      <Listbox
+        v-model="form.user"
+        as="div"
+        class="sm:grid sm:grid-cols-3 py-4 items-center"
+      >
+        <ListboxLabel class="block text-sm font-medium text-gray-700">
+          Osoba składająca wniosek
+        </ListboxLabel>
+        <div class="mt-1 relative sm:mt-0 sm:col-span-2">
+          <ListboxButton
+            class="bg-white relative w-full max-w-lg border rounded-md shadow-sm pl-3 pr-10 py-2 text-left cursor-default sm:text-sm focus:ring-1"
+            :class="{ 'border-red-300 text-red-900 focus:outline-none focus:ring-red-500 focus:border-red-500': form.errors.type, 'focus:ring-blumilk-500 focus:border-blumilk-500 sm:text-sm border-gray-300': !form.errors.type }"
+          >
+            <span class="flex items-center">
+              <img
+                :src="form.user.avatar"
+                class="flex-shrink-0 h-6 w-6 rounded-full"
+              >
+              <span class="ml-3 block truncate">{{ form.user.name }}</span>
+            </span>
+            <span class="absolute inset-y-0 right-0 flex items-center pr-2 pointer-events-none">
+              <SelectorIcon class="h-5 w-5 text-gray-400" />
+            </span>
+          </ListboxButton>
+
+          <transition
+            leave-active-class="transition ease-in duration-100"
+            leave-from-class="opacity-100"
+            leave-to-class="opacity-0"
+          >
+            <ListboxOptions
+              class="absolute z-10 mt-1 w-full max-w-lg bg-white shadow-lg max-h-60 rounded-md py-1 text-base ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none sm:text-sm"
+            >
+              <ListboxOption
+                v-for="user in users.data"
+                :key="user.id"
+                v-slot="{ active, selected }"
+                as="template"
+                :value="user"
+              >
+                <li :class="[active ? 'text-white bg-blumilk-600' : 'text-gray-900', 'cursor-default select-none relative py-2 pl-3 pr-9']">
+                  <div class="flex items-center">
+                    <img
+                      :src="user.avatar"
+                      alt=""
+                      class="flex-shrink-0 h-6 w-6 rounded-full"
+                    >
+                    <span :class="[selected ? 'font-semibold' : 'font-normal', 'ml-3 block truncate']">
+                      {{ user.name }}
+                    </span>
+                  </div>
+
+                  <span
+                    v-if="selected"
+                    :class="[active ? 'text-white' : 'text-blumilk-600', 'absolute inset-y-0 right-0 flex items-center pr-4']"
+                  >
+                    <CheckIcon class="h-5 w-5" />
+                  </span>
+                </li>
+              </ListboxOption>
+            </ListboxOptions>
+          </transition>
+          <p
+            v-if="form.errors.type"
+            class="mt-2 text-sm text-red-600"
+          >
+            {{ form.errors.type }}
+          </p>
+        </div>
+      </Listbox>
       <Listbox
         v-model="form.type"
         as="div"
@@ -161,6 +231,25 @@
           />
         </div>
       </div>
+      <div class="sm:grid sm:grid-cols-3 py-4 items-center">
+        <label
+          for="flowSkipped"
+          class="block text-sm font-medium text-gray-700"
+        >
+          Natychmiastowo zatwierdź wniosek
+        </label>
+        <div class="mt-1 sm:mt-0 sm:col-span-2">
+          <Switch
+            id="flowSkipped"
+            v-model="form.flowSkipped"
+            :class="[form.flowSkipped ? 'bg-blumilk-500' : 'bg-gray-200', 'relative inline-flex flex-shrink-0 h-6 w-11 border-2 border-transparent rounded-full cursor-pointer transition-colors ease-in-out duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blumilk-500']"
+          >
+            <span
+              :class="[form.flowSkipped ? 'translate-x-5' : 'translate-x-0', 'pointer-events-none inline-block h-5 w-5 rounded-full bg-white shadow transform ring-0 transition ease-in-out duration-200']"
+            />
+          </Switch>
+        </div>
+      </div>
       <div class="flex justify-end py-3">
         <div class="space-x-3">
           <InertiaLink
@@ -183,16 +272,18 @@
 </template>
 
 <script>
-import {useForm, usePage} from '@inertiajs/inertia-vue3'
+import {useForm} from '@inertiajs/inertia-vue3'
 import FlatPickr from 'vue-flatpickr-component'
-import {Listbox, ListboxButton, ListboxLabel, ListboxOption, ListboxOptions} from '@headlessui/vue'
+import {Listbox, ListboxButton, ListboxLabel, ListboxOption, ListboxOptions, Switch} from '@headlessui/vue'
 import {CheckIcon, SelectorIcon, XCircleIcon} from '@heroicons/vue/solid'
-import {reactive, ref, computed} from 'vue'
+import {reactive, ref} from 'vue'
 import axios from 'axios'
+import useCurrentYearPeriodInfo from '@/Composables/yearPeriodInfo'
 
 export default {
   name: 'VacationRequestCreate',
   components: {
+    Switch,
     FlatPickr,
     Listbox,
     ListboxButton,
@@ -204,6 +295,14 @@ export default {
     XCircleIcon,
   },
   props: {
+    auth: {
+      type: Object,
+      default: () => null,
+    },
+    users: {
+      type: Object,
+      default: () => null,
+    },
     vacationTypes: {
       type: Object,
       default: () => null,
@@ -215,15 +314,16 @@ export default {
   },
   setup(props) {
     const form = useForm({
+      user: props.users.data.find(user => user.id === props.auth.user.id),
       from: null,
       to: null,
       type: props.vacationTypes[0],
       comment: null,
+      flowSkipped: false,
     })
 
     const estimatedDays = ref([])
-    const minDate = computed(() => new Date(usePage().props.value.years.current, 0, 1))
-    const maxDate = computed(() => new Date(usePage().props.value.years.current, 11, 31))
+    const {minDate, maxDate} = useCurrentYearPeriodInfo()
 
     const disableDates = [
       date => (date.getDay() === 0 || date.getDay() === 6),
@@ -254,6 +354,7 @@ export default {
         .transform(data => ({
           ...data,
           type: data.type.value,
+          user: data.user.id,
         }))
         .post('/vacation-requests')
     },
diff --git a/resources/js/Shared/MainMenu.vue b/resources/js/Shared/MainMenu.vue
index 5318860..cb75cdd 100644
--- a/resources/js/Shared/MainMenu.vue
+++ b/resources/js/Shared/MainMenu.vue
@@ -390,4 +390,4 @@ export default {
     }
   },
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/resources/lang/pl.json b/resources/lang/pl.json
index d512566..98c46cf 100644
--- a/resources/lang/pl.json
+++ b/resources/lang/pl.json
@@ -42,7 +42,35 @@
   "Vacation limits have been updated.": "Limity urlopów zostały zaktualizowane.",
   "Vacation request has been created.": "Wniosek urlopowy został utworzony.",
   "Vacation request has been accepted.": "Wniosek urlopowy został zaakceptowany.",
+  "Vacation request has been approved.": "Wniosek urlopowy został zatwierdzony.",
   "Vacation request has been rejected.": "Wniosek urlopowy został odrzucony.",
-  "Vacation request has been cancelled.": "Wniosek urlopowy został anulowany."
-
+  "Vacation request has been cancelled.": "Wniosek urlopowy został anulowany.",
+  "Sum:": "Suma:",
+  "Date": "Data",
+  "Day of week": "Dzień tygodnia",
+  "Start date": "Data rozpoczęcia",
+  "End date": "Data zakończenia",
+  "Worked hours": "Liczba godzin",
+  "Hi :user!": "Cześć :user!",
+  "The vacation request :title has changed state to :state.": "Wniosek urlopowy :title zmienił status na :state.",
+  "Vacation request :title": "Wniosek urlopowy :title",
+  "Regards": "Z poważaniem",
+  "If you're having trouble clicking the \":actionText\" button, copy and paste the URL below\ninto your web browser:": "Jeżeli masz problemy z kliknięciem przycisku \":actionText\", skopiuj i wklej poniższy adres w pasek przeglądarki:",
+  "All rights reserved.": "Wszelkie prawa zastrzeżone",
+  "Show vacation request": "Pokaż wniosek",
+  "Vacation request :title has been created" : "Wniosek :title został utworzony",
+  "The vacation request :title has been created correctly in the :appName.": "W systemie :appName został poprawnie utworzony wniosek urlopowy :title.",
+  "Vacation type: :type": "Rodzaj wniosku: :type",
+  "From :from to :to (number of days: :days)": "Od :from do :to (liczba dni: :days)",
+  "Click here for details": "Kliknij, aby zobaczyć szczegóły",
+  "Vacation request :title is waiting for your approval": "Wniosek urlopowy :title czeka na zaakceptowanie",
+  "The vacation request :title from user: :requester is waiting for your approval.": "Wniosek urlopowy :title od użytkownika :requester czeka na Twoją akceptację.",
+  "Vacation request :title has been approved": "Wniosek urlopowy :title został zatwierdzony",
+  "The vacation request :title for user :requester has been approved.": "Wniosek urlopowy :title od użytkownika :requester został zatwierdzony.",
+  "Vacation request :title has been cancelled": "Wniosek urlopowy :title został anulowany",
+  "The vacation request :title for user :requester has been cancelled.": "Wniosek urlopowy :title od użytkownika :requester został anulowany.",
+  "Vacation request :title has been rejected": "Wniosek urlopowy :title został odrzucony",
+  "The vacation request :title for user :requester has been rejected.": "Wniosek urlopowy :title od użytkownika :requester został odrzucony.",
+  "Vacation request :title has been created on your behalf": "Wniosek urlopowy :title został utworzony w Twoim imieniu",
+  "The vacation request :title has been created correctly by user :creator on your behalf in the :appName.": "W systemie :appName został poprawnie utworzony wniosek urlopowy :title w Twoim imieniu przez użytkownika :creator."
 }
diff --git a/resources/views/vendor/mail/html/themes/mail.css b/resources/views/vendor/mail/html/themes/mail.css
new file mode 100644
index 0000000..d2f67d3
--- /dev/null
+++ b/resources/views/vendor/mail/html/themes/mail.css
@@ -0,0 +1,286 @@
+/* Base */
+
+body, body *:not(html):not(style):not(br):not(tr):not(code) {
+    font-family: Avenir, Helvetica, sans-serif;
+    box-sizing: border-box;
+}
+
+body {
+    background-color: #f5f8fa;
+    color: #74787e;
+    height: 100%;
+    hyphens: auto;
+    line-height: 1.4;
+    margin: 0;
+    -moz-hyphens: auto;
+    -ms-word-break: break-all;
+    width: 100% !important;
+    -webkit-hyphens: auto;
+    -webkit-text-size-adjust: none;
+    word-break: break-all;
+    word-break: break-word;
+}
+
+p,
+ul,
+ol,
+blockquote {
+    line-height: 1.4;
+    text-align: left;
+}
+
+a {
+    color: #3c5f97;
+}
+
+a img {
+    border: none;
+}
+
+/* Typography */
+
+h1 {
+    color: #2F3133;
+    font-size: 19px;
+    font-weight: bold;
+    margin-top: 0;
+    text-align: left;
+}
+
+h2 {
+    color: #2F3133;
+    font-size: 16px;
+    font-weight: bold;
+    margin-top: 0;
+    text-align: left;
+}
+
+h3 {
+    color: #2F3133;
+    font-size: 14px;
+    font-weight: bold;
+    margin-top: 0;
+    text-align: left;
+}
+
+p {
+    color: #74787e;
+    font-size: 16px;
+    line-height: 1.5em;
+    margin-top: 0;
+    text-align: left;
+}
+
+p.sub {
+    font-size: 12px;
+}
+
+img {
+    max-width: 100%;
+}
+
+/* Layout */
+
+.wrapper {
+    background-color: #f5f8fa;
+    margin: 0;
+    padding: 0;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+.content {
+    margin: 0;
+    padding: 0;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+/* Header */
+
+.header {
+    padding: 25px 0;
+    text-align: center;
+}
+
+.header a {
+    color: #3c5f97;
+    font-size: 19px;
+    font-weight: bold;
+    text-decoration: none;
+    text-shadow: 0 1px 0 #ffffff;
+}
+
+/* Body */
+
+.body {
+    background-color: #ffffff;
+    border-bottom: 1px solid #edeff2;
+    border-top: 1px solid #edeff2;
+    margin: 0;
+    padding: 0;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+.inner-body {
+    background-color: #ffffff;
+    margin: 0 auto;
+    padding: 0;
+    width: 570px;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 570px;
+}
+
+/* Subcopy */
+
+.subcopy {
+    border-top: 1px solid #edeff2;
+    margin-top: 25px;
+    padding-top: 25px;
+}
+
+.subcopy p {
+    font-size: 12px;
+}
+
+/* Footer */
+
+.footer {
+    margin: 0 auto;
+    padding: 0;
+    text-align: center;
+    width: 570px;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 570px;
+}
+
+.footer p {
+    color: #aeaeae;
+    font-size: 12px;
+    text-align: center;
+}
+
+/* Tables */
+
+.table table {
+    margin: 30px auto;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+.table th {
+    color: #74787e;
+    border-bottom: 1px solid #edeff2;
+    padding-bottom: 8px;
+}
+
+.table td {
+    color: #74787e;
+    font-size: 15px;
+    line-height: 18px;
+    padding: 10px 0;
+}
+
+.content-cell {
+    padding: 35px;
+}
+
+/* Buttons */
+
+.action {
+    margin: 30px auto;
+    padding: 0;
+    text-align: center;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+.button {
+    border-radius: 3px;
+    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.16);
+    color: #ffffff;
+    display: inline-block;
+    text-decoration: none;
+    -webkit-text-size-adjust: none;
+}
+
+.button-blue, .button-primary {
+    background-color: #3c5f97;
+    border-top: 10px solid #3c5f97;
+    border-right: 18px solid #3c5f97;
+    border-bottom: 10px solid #3c5f97;
+    border-left: 18px solid #3c5f97;
+}
+
+.button-green, .button-success {
+    background-color: #22c55e;
+    border-top: 10px solid #22c55e;
+    border-right: 18px solid #22c55e;
+    border-bottom: 10px solid #22c55e;
+    border-left: 18px solid #22c55e;
+}
+
+.button-red, .button-error {
+    background-color: #ef4444;
+    border-top: 10px solid #ef4444;
+    border-right: 18px solid #ef4444;
+    border-bottom: 10px solid #ef4444;
+    border-left: 18px solid #ef4444;
+}
+
+/* Panels */
+
+.panel {
+    margin: 0 0 21px;
+}
+
+.panel-content {
+    background-color: #edeff2;
+    padding: 16px;
+}
+
+.panel-item {
+    padding: 0;
+}
+
+.panel-item p:last-of-type {
+    margin-bottom: 0;
+    padding-bottom: 0;
+}
+
+/* Promotions */
+
+.promotion {
+    background-color: #FFFFFF;
+    border: 2px dashed #9BA2AB;
+    margin: 0;
+    margin-bottom: 25px;
+    margin-top: 25px;
+    padding: 24px;
+    width: 100%;
+    -premailer-cellpadding: 0;
+    -premailer-cellspacing: 0;
+    -premailer-width: 100%;
+}
+
+.promotion h1 {
+    text-align: center;
+}
+
+.promotion p {
+    font-size: 15px;
+    text-align: center;
+}
diff --git a/routes/web.php b/routes/web.php
index 59f3682..a94d8aa 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -7,6 +7,7 @@ use Toby\Infrastructure\Http\Controllers\GoogleController;
 use Toby\Infrastructure\Http\Controllers\HolidayController;
 use Toby\Infrastructure\Http\Controllers\LogoutController;
 use Toby\Infrastructure\Http\Controllers\SelectYearPeriodController;
+use Toby\Infrastructure\Http\Controllers\TimesheetController;
 use Toby\Infrastructure\Http\Controllers\UserController;
 use Toby\Infrastructure\Http\Controllers\VacationCalendarController;
 use Toby\Infrastructure\Http\Controllers\VacationLimitController;
@@ -24,8 +25,10 @@ Route::middleware("auth")->group(function (): void {
 
     Route::get("/vacation-limits", [VacationLimitController::class, "edit"])
         ->name("vacation.limits");
-    Route::get("/vacation-calendar", [VacationCalendarController::class, "index"])
+    Route::get("/vacation-calendar/{month?}", [VacationCalendarController::class, "index"])
         ->name("vacation.calendar");
+    Route::get("/timesheet/{month}", TimesheetController::class)
+        ->name("timesheet");
 
     Route::get("/vacation-limits", [VacationLimitController::class, "edit"])->name("vacation.limits");
     Route::put("/vacation-limits", [VacationLimitController::class, "update"]);
diff --git a/tests/Feature/VacationRequestTest.php b/tests/Feature/VacationRequestTest.php
index 0118b80..9c7523e 100644
--- a/tests/Feature/VacationRequestTest.php
+++ b/tests/Feature/VacationRequestTest.php
@@ -6,10 +6,14 @@ namespace Tests\Feature;
 
 use Illuminate\Foundation\Testing\DatabaseMigrations;
 use Illuminate\Support\Carbon;
-use Illuminate\Support\Facades\Bus;
+use Illuminate\Support\Facades\Event;
 use Inertia\Testing\AssertableInertia as Assert;
 use Tests\FeatureTestCase;
 use Toby\Domain\Enums\VacationType;
+use Toby\Domain\Events\VacationRequestAcceptedByAdministrative;
+use Toby\Domain\Events\VacationRequestAcceptedByTechnical;
+use Toby\Domain\Events\VacationRequestApproved;
+use Toby\Domain\Events\VacationRequestRejected;
 use Toby\Domain\PolishHolidaysRetriever;
 use Toby\Domain\States\VacationRequest\Approved;
 use Toby\Domain\States\VacationRequest\Rejected;
@@ -19,7 +23,6 @@ use Toby\Eloquent\Models\User;
 use Toby\Eloquent\Models\VacationLimit;
 use Toby\Eloquent\Models\VacationRequest;
 use Toby\Eloquent\Models\YearPeriod;
-use Toby\Infrastructure\Jobs\SendVacationRequestDaysToGoogleCalendar;
 
 class VacationRequestTest extends FeatureTestCase
 {
@@ -31,8 +34,6 @@ class VacationRequestTest extends FeatureTestCase
     {
         parent::setUp();
 
-        Bus::fake();
-
         $this->polishHolidaysRetriever = $this->app->make(PolishHolidaysRetriever::class);
     }
 
@@ -72,6 +73,7 @@ class VacationRequestTest extends FeatureTestCase
 
         $this->actingAs($user)
             ->post("/vacation-requests", [
+                "user" => $user->id,
                 "type" => VacationType::Vacation->value,
                 "from" => Carbon::create($currentYearPeriod->year, 2, 7)->toDateString(),
                 "to" => Carbon::create($currentYearPeriod->year, 2, 11)->toDateString(),
@@ -91,8 +93,87 @@ class VacationRequestTest extends FeatureTestCase
         ]);
     }
 
+    public function testUserCanCreateVacationRequestOnEmployeeBehalf(): void
+    {
+        $creator = User::factory()->createQuietly();
+        $user = User::factory()->createQuietly();
+
+        $currentYearPeriod = YearPeriod::current();
+
+        VacationLimit::factory([
+            "days" => 20,
+        ])
+            ->for($user)
+            ->for($currentYearPeriod)
+            ->create();
+
+        $this->actingAs($creator)
+            ->post("/vacation-requests", [
+                "user" => $user->id,
+                "type" => VacationType::Vacation->value,
+                "from" => Carbon::create($currentYearPeriod->year, 2, 7)->toDateString(),
+                "to" => Carbon::create($currentYearPeriod->year, 2, 11)->toDateString(),
+                "comment" => "Comment for the vacation request.",
+            ])
+            ->assertSessionHasNoErrors();
+
+        $this->assertDatabaseHas("vacation_requests", [
+            "user_id" => $user->id,
+            "creator_id" => $creator->id,
+            "year_period_id" => $currentYearPeriod->id,
+            "name" => "1/" . $currentYearPeriod->year,
+            "type" => VacationType::Vacation->value,
+            "state" => WaitingForTechnical::$name,
+            "from" => Carbon::create($currentYearPeriod->year, 2, 7)->toDateString(),
+            "to" => Carbon::create($currentYearPeriod->year, 2, 11)->toDateString(),
+            "comment" => "Comment for the vacation request.",
+        ]);
+    }
+
+    public function testUserCanCreateVacationRequestOnEmployeeBehalfAndSkipAcceptanceFlow(): void
+    {
+        Event::fake(VacationRequestApproved::class);
+
+        $creator = User::factory()->createQuietly();
+        $user = User::factory()->createQuietly();
+
+        $currentYearPeriod = YearPeriod::current();
+
+        VacationLimit::factory([
+            "days" => 20,
+        ])
+            ->for($user)
+            ->for($currentYearPeriod)
+            ->create();
+
+        $this->actingAs($creator)
+            ->post("/vacation-requests", [
+                "user" => $user->id,
+                "type" => VacationType::Vacation->value,
+                "from" => Carbon::create($currentYearPeriod->year, 2, 7)->toDateString(),
+                "to" => Carbon::create($currentYearPeriod->year, 2, 11)->toDateString(),
+                "comment" => "Comment for the vacation request.",
+                "flowSkipped" => true,
+            ])
+            ->assertSessionHasNoErrors();
+
+        $this->assertDatabaseHas("vacation_requests", [
+            "user_id" => $user->id,
+            "creator_id" => $creator->id,
+            "year_period_id" => $currentYearPeriod->id,
+            "name" => "1/" . $currentYearPeriod->year,
+            "type" => VacationType::Vacation->value,
+            "state" => Approved::$name,
+            "from" => Carbon::create($currentYearPeriod->year, 2, 7)->toDateString(),
+            "to" => Carbon::create($currentYearPeriod->year, 2, 11)->toDateString(),
+            "comment" => "Comment for the vacation request.",
+        ]);
+    }
+
     public function testTechnicalApproverCanApproveVacationRequest(): void
     {
+        Event::fake(VacationRequestAcceptedByTechnical::class);
+
         $user = User::factory()->createQuietly();
         $technicalApprover = User::factory()->createQuietly();
         $currentYearPeriod = YearPeriod::current();
@@ -109,13 +190,13 @@ class VacationRequestTest extends FeatureTestCase
             ->post("/vacation-requests/{$vacationRequest->id}/accept-as-technical")
             ->assertSessionHasNoErrors();
 
-        $this->assertDatabaseHas("vacation_requests", [
-            "state" => WaitingForAdministrative::$name,
-        ]);
+        Event::assertDispatched(VacationRequestAcceptedByTechnical::class);
     }
 
     public function testAdministrativeApproverCanApproveVacationRequest(): void
     {
+        Event::fake(VacationRequestAcceptedByAdministrative::class);
+
         $user = User::factory()->createQuietly();
         $administrativeApprover = User::factory()->createQuietly();
 
@@ -132,15 +213,13 @@ class VacationRequestTest extends FeatureTestCase
             ->post("/vacation-requests/{$vacationRequest->id}/accept-as-administrative")
             ->assertSessionHasNoErrors();
 
-        $this->assertDatabaseHas("vacation_requests", [
-            "state" => Approved::$name,
-        ]);
-
-        Bus::assertDispatched(SendVacationRequestDaysToGoogleCalendar::class);
+        Event::assertDispatched(VacationRequestAcceptedByAdministrative::class);
     }
 
     public function testTechnicalApproverCanRejectVacationRequest(): void
     {
+        Event::fake(VacationRequestRejected::class);
+
         $user = User::factory()->createQuietly();
         $technicalApprover = User::factory()->createQuietly();
         $currentYearPeriod = YearPeriod::current();
@@ -164,6 +243,7 @@ class VacationRequestTest extends FeatureTestCase
             ->post("/vacation-requests/{$vacationRequest->id}/reject")
             ->assertSessionHasNoErrors();
 
+        Event::assertDispatched(VacationRequestRejected::class);
         $this->assertDatabaseHas("vacation_requests", [
             "state" => Rejected::$name,
         ]);
@@ -183,6 +263,7 @@ class VacationRequestTest extends FeatureTestCase
 
         $this->actingAs($user)
             ->post("/vacation-requests", [
+                "user" => $user->id,
                 "type" => VacationType::Vacation->value,
                 "from" => Carbon::create($currentYearPeriod->year, 2, 7)->toDateString(),
                 "to" => Carbon::create($currentYearPeriod->year, 2, 11)->toDateString(),
@@ -207,6 +288,7 @@ class VacationRequestTest extends FeatureTestCase
 
         $this->actingAs($user)
             ->post("/vacation-requests", [
+                "user" => $user->id,
                 "type" => VacationType::Vacation->value,
                 "from" => Carbon::create($currentYearPeriod->year, 2, 5)->toDateString(),
                 "to" => Carbon::create($currentYearPeriod->year, 2, 6)->toDateString(),
@@ -238,6 +320,7 @@ class VacationRequestTest extends FeatureTestCase
 
         $this->actingAs($user)
             ->post("/vacation-requests", [
+                "user" => $user->id,
                 "type" => VacationType::Vacation->value,
                 "from" => Carbon::create($currentYearPeriod->year, 4, 18)->toDateString(),
                 "to" => Carbon::create($currentYearPeriod->year, 4, 18)->toDateString(),
@@ -273,6 +356,7 @@ class VacationRequestTest extends FeatureTestCase
 
         $this->actingAs($user)
             ->post("/vacation-requests", [
+                "user" => $user->id,
                 "type" => VacationType::Vacation->value,
                 "from" => Carbon::create($currentYearPeriod->year, 2, 1)->toDateString(),
                 "to" => Carbon::create($currentYearPeriod->year, 2, 4)->toDateString(),
@@ -280,8 +364,7 @@ class VacationRequestTest extends FeatureTestCase
             ])
             ->assertSessionHasErrors([
                 "vacationRequest" => __("You have pending vacation request in this range."),
-            ])
-        ;
+            ]);
     }
 
     public function testUserCannotCreateVacationRequestIfHeHasApprovedVacationRequestInThisRange(): void
@@ -309,6 +392,7 @@ class VacationRequestTest extends FeatureTestCase
 
         $this->actingAs($user)
             ->post("/vacation-requests", [
+                "user" => $user->id,
                 "type" => VacationType::Vacation->value,
                 "from" => Carbon::create($currentYearPeriod->year, 2, 1)->toDateString(),
                 "to" => Carbon::create($currentYearPeriod->year, 2, 4)->toDateString(),
@@ -325,6 +409,7 @@ class VacationRequestTest extends FeatureTestCase
         $currentYearPeriod = YearPeriod::current();
         $this->actingAs($user)
             ->post("/vacation-requests", [
+                "user" => $user->id,
                 "type" => VacationType::Vacation->value,
                 "from" => Carbon::create($currentYearPeriod->year, 2, 7)->toDateString(),
                 "to" => Carbon::create($currentYearPeriod->year, 2, 6)->toDateString(),
@@ -342,6 +427,7 @@ class VacationRequestTest extends FeatureTestCase
         $nextYearPeriod = $this->createYearPeriod(Carbon::now()->year + 1);
         $this->actingAs($user)
             ->post("/vacation-requests", [
+                "user" => $user->id,
                 "type" => VacationType::Vacation->value,
                 "from" => Carbon::create($currentYearPeriod->year, 12, 27)->toDateString(),
                 "to" => Carbon::create($nextYearPeriod->year, 1, 2)->toDateString(),
diff --git a/tests/Unit/VacationRequestNotificationTest.php b/tests/Unit/VacationRequestNotificationTest.php
new file mode 100644
index 0000000..0a59f51
--- /dev/null
+++ b/tests/Unit/VacationRequestNotificationTest.php
@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit;
+
+use Illuminate\Foundation\Testing\DatabaseMigrations;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\Notification;
+use Tests\TestCase;
+use Tests\Traits\InteractsWithYearPeriods;
+use Toby\Domain\Enums\Role;
+use Toby\Domain\Enums\VacationType;
+use Toby\Domain\Notifications\VacationRequestWaitsForTechApprovalNotification;
+use Toby\Domain\States\VacationRequest\Created;
+use Toby\Domain\VacationRequestStateManager;
+use Toby\Eloquent\Models\User;
+use Toby\Eloquent\Models\VacationRequest;
+use Toby\Eloquent\Models\YearPeriod;
+
+class VacationRequestNotificationTest extends TestCase
+{
+    use DatabaseMigrations;
+    use InteractsWithYearPeriods;
+
+    protected VacationRequestStateManager $stateManager;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->stateManager = $this->app->make(VacationRequestStateManager::class);
+
+        $this->createCurrentYearPeriod();
+    }
+
+    public function testAfterChangingVacationRequestStateNotificationAreSentToUsers(): void
+    {
+        Notification::fake();
+
+        $user = User::factory([
+            "role" => Role::Employee,
+        ])->createQuietly();
+        $technicalApprover = User::factory([
+            "role" => Role::TechnicalApprover,
+        ])->createQuietly();
+        $administrativeApprover = User::factory([
+            "role" => Role::AdministrativeApprover,
+        ])->createQuietly();
+
+        $currentYearPeriod = YearPeriod::current();
+
+        /** @var VacationRequest $vacationRequest */
+        $vacationRequest = VacationRequest::factory([
+            "type" => VacationType::Vacation->value,
+            "state" => Created::class,
+            "from" => Carbon::create($currentYearPeriod->year, 2, 1)->toDateString(),
+            "to" => Carbon::create($currentYearPeriod->year, 2, 4)->toDateString(),
+            "comment" => "Comment for the vacation request.",
+        ])
+            ->for($user)
+            ->for($currentYearPeriod)
+            ->create();
+
+        $this->stateManager->waitForTechnical($vacationRequest);
+
+        Notification::assertSentTo($technicalApprover, VacationRequestWaitsForTechApprovalNotification::class);
+        Notification::assertNotSentTo([$user, $administrativeApprover], VacationRequestWaitsForTechApprovalNotification::class);
+    }
+}
diff --git a/tests/Unit/VacationRequestStatesTest.php b/tests/Unit/VacationRequestStatesTest.php
index bdb10f4..8713f84 100644
--- a/tests/Unit/VacationRequestStatesTest.php
+++ b/tests/Unit/VacationRequestStatesTest.php
@@ -6,6 +6,7 @@ namespace Tests\Unit;
 
 use Illuminate\Foundation\Testing\DatabaseMigrations;
 use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\Notification;
 use Tests\TestCase;
 use Tests\Traits\InteractsWithYearPeriods;
 use Toby\Domain\Enums\VacationType;
@@ -28,6 +29,8 @@ class VacationRequestStatesTest extends TestCase
     {
         parent::setUp();
 
+        Notification::fake();
+
         $this->stateManager = $this->app->make(VacationRequestStateManager::class);
 
         $this->createCurrentYearPeriod();