diff --git a/config/services.yaml b/config/services.yaml
index 457e467..66433a9 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -158,6 +158,11 @@ services:
             $options:
                 project_dir: '%kernel.project_dir%'
 
+    App\Service\Pdf\InvoiceApprover:
+        arguments:
+            $options:
+                project_dir: '%kernel.project_dir%'
+
     App\Service\Pdf\InvoiceRenderer:
         arguments:
             $options:
@@ -167,4 +172,4 @@ services:
         arguments:
             $defaults:
                 from: '%default_email_from%'
-                to: '%default_email_to%'
\ No newline at end of file
+                to: '%default_email_to%'
diff --git a/migrations/Version20250228133252.php b/migrations/Version20250228133252.php
new file mode 100644
index 0000000..22c7871
--- /dev/null
+++ b/migrations/Version20250228133252.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20250228133252 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE assignment ADD cost_center VARCHAR(255) DEFAULT NULL');
+        $this->addSql('ALTER TABLE destination ADD cost_unit VARCHAR(255) DEFAULT NULL');
+        $this->addSql('ALTER TABLE upload ADD approved_at DATE DEFAULT NULL COMMENT \'(DC2Type:date_immutable)\', ADD approved_by VARCHAR(255) DEFAULT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE upload DROP approved_at, DROP approved_by');
+        $this->addSql('ALTER TABLE assignment DROP cost_center');
+        $this->addSql('ALTER TABLE destination DROP cost_unit');
+    }
+}
diff --git a/src/BusProNet/Model/Hotel.php b/src/BusProNet/Model/Hotel.php
index 3b5e087..79e131e 100644
--- a/src/BusProNet/Model/Hotel.php
+++ b/src/BusProNet/Model/Hotel.php
@@ -13,6 +13,7 @@ class Hotel
     private ?string $phone = null;
     private ?string $type = null;
     private ?string $country = null;
+    private ?string $costUnit = null;
 
     public function getId(): ?int
     {
@@ -121,4 +122,16 @@ class Hotel
 
         return $this;
     }
-}
\ No newline at end of file
+
+    public function getCostUnit(): ?string
+    {
+        return $this->costUnit;
+    }
+
+    public function setCostUnit(?string $costUnit): static
+    {
+        $this->costUnit = $costUnit;
+
+        return $this;
+    }
+}
diff --git a/src/BusProNet/ResponseParser.php b/src/BusProNet/ResponseParser.php
index 54b6840..bd98019 100644
--- a/src/BusProNet/ResponseParser.php
+++ b/src/BusProNet/ResponseParser.php
@@ -260,6 +260,7 @@ class ResponseParser
                 ->setStreet((string) $item->strasse)
                 ->setPhone((string) $item->telefon)
                 ->setType((string) $item->art)
+                ->setCostUnit($item->kostenstelle)
             ;
             $hotels[$busProId] = $hotel;
         }
@@ -281,4 +282,4 @@ class ResponseParser
 
         return $optionsResolver->resolve($options);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Command/BpnImportCommand.php b/src/Command/BpnImportCommand.php
index bd42ee3..a5e503f 100644
--- a/src/Command/BpnImportCommand.php
+++ b/src/Command/BpnImportCommand.php
@@ -95,6 +95,7 @@ class BpnImportCommand extends Command
                                 'date_to' => $dateTo->format('Y-m-d'),
                                 'product' => $product,
                                 'pickups' => json_encode($datePickups),
+                                'cost_unit' => $hotel->getCostUnit(),
                                 'country' => $hotel->getCountry(),
                                 'updated_at' => (new \DateTimeImmutable())->format('Y-m-d H:i:s')
                             ], [
diff --git a/src/Controller/Administrative/Document/CheckController.php b/src/Controller/Administrative/Document/CheckController.php
index aa21b8d..a5da8fa 100644
--- a/src/Controller/Administrative/Document/CheckController.php
+++ b/src/Controller/Administrative/Document/CheckController.php
@@ -4,11 +4,13 @@ namespace App\Controller\Administrative\Document;
 
 use App\Controller\Traits\ReturnUrlTrait;
 use App\Entity\Upload;
+use App\Entity\User;
 use App\Event\DocumentConfirmedEvent;
 use App\Event\DocumentRejectedEvent;
 use App\Form\DocumentCheckType;
 use App\Htmx\HxRedirectResponse;
 use App\Model\DocumentCheckDto;
+use App\Service\Pdf\InvoiceApprover;
 use Doctrine\ORM\EntityManagerInterface;
 use Psr\Log\LoggerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
@@ -29,6 +31,7 @@ class CheckController extends AbstractController
         #[Target('disposition')]
         private readonly WorkflowInterface $workflow,
         private readonly EventDispatcherInterface $eventDispatcher,
+        private readonly InvoiceApprover $invoiceApprover,
         private readonly LoggerInterface $logger
     ) {
     }
@@ -114,7 +117,18 @@ class CheckController extends AbstractController
 
     private function confirmDocument(Upload $document, string $transition, string $status, DocumentCheckDto $formData): void
     {
-        $document->setStatus($status);
+        /** @var User $user */
+        $user = $this->getUser();
+        $document
+            ->setApprovedAt(new \DateTimeImmutable())
+            ->setApprovedBy($user->getInitials())
+            ->setStatus($status)
+        ;
+
+        if (Upload::TYPE_INVOICE === $document->getType()) {
+            $this->invoiceApprover->render($document->getDisposition());
+        }
+
         $this->addFlash('success', 'Das Dokument wurde bestätigt');
         $this->logger->info('Confirm document', [
             'document_id' => $document->getId(),
diff --git a/src/Entity/Assignment.php b/src/Entity/Assignment.php
index 398516e..66733f5 100644
--- a/src/Entity/Assignment.php
+++ b/src/Entity/Assignment.php
@@ -43,6 +43,10 @@ class Assignment implements BlameableEntityInterface, TimestampableEntityInterfa
     #[Assert\NotNull(message: 'Bitte gib die Destination an')]
     private ?Destination $destination = null;
 
+    #[ORM\Column(nullable: true)]
+    #[Assert\NotBlank(message: 'Bitte gib den Konstenträger an')]
+    private ?string $costCenter = null;
+
     #[ORM\ManyToOne]
     #[Assert\NotNull(message: 'Bitte gib das Jobprofil an')]
     private ?JobProfile $jobProfile = null;
@@ -194,6 +198,18 @@ class Assignment implements BlameableEntityInterface, TimestampableEntityInterfa
         return $this;
     }
 
+    public function getCostCenter(): ?string
+    {
+        return $this->costCenter;
+    }
+
+    public function setCostCenter(?string $costCenter): static
+    {
+        $this->costCenter = $costCenter;
+
+        return $this;
+    }
+
     public function getJobProfile(): ?JobProfile
     {
         return $this->jobProfile;
diff --git a/src/Entity/Destination.php b/src/Entity/Destination.php
index e0cab10..1dbe37e 100644
--- a/src/Entity/Destination.php
+++ b/src/Entity/Destination.php
@@ -47,6 +47,9 @@ class Destination implements TimestampableEntityInterface, SoftDeletableEntityIn
     #[ORM\Column]
     private ?int $hotelBusProId = null;
 
+    #[ORM\Column(nullable: true)]
+    private ?string $costUnit = null;
+
     #[ORM\Column]
     private array $pickups = [];
 
@@ -163,6 +166,18 @@ class Destination implements TimestampableEntityInterface, SoftDeletableEntityIn
         return $this;
     }
 
+    public function getCostUnit(): ?string
+    {
+        return $this->costUnit;
+    }
+
+    public function setCostUnit(?string $costUnit): static
+    {
+        $this->costUnit = $costUnit;
+
+        return $this;
+    }
+
     public function getPickups(): array
     {
         return $this->pickups;
diff --git a/src/Entity/Upload.php b/src/Entity/Upload.php
index 95fd0f7..6e09a7a 100644
--- a/src/Entity/Upload.php
+++ b/src/Entity/Upload.php
@@ -72,6 +72,12 @@ class Upload implements BlameableEntityInterface, TimestampableEntityInterface
     #[ORM\Column(nullable: true)]
     private ?string $downloadedBy = null;
 
+    #[ORM\Column(type: Types::DATE_IMMUTABLE, nullable: true)]
+    private ?\DateTimeImmutable $approvedAt = null;
+
+    #[ORM\Column(nullable: true)]
+    private ?string $approvedBy = null;
+
     public function __construct()
     {
         $this->uuid = Uuid::v4();
@@ -284,4 +290,28 @@ class Upload implements BlameableEntityInterface, TimestampableEntityInterface
 
         return $this;
     }
+
+    public function getApprovedAt(): ?\DateTimeImmutable
+    {
+        return $this->approvedAt;
+    }
+
+    public function setApprovedAt(?\DateTimeImmutable $approvedAt): static
+    {
+        $this->approvedAt = $approvedAt;
+
+        return $this;
+    }
+
+    public function getApprovedBy(): ?string
+    {
+        return $this->approvedBy;
+    }
+
+    public function setApprovedBy(?string $approvedBy): static
+    {
+        $this->approvedBy = $approvedBy;
+
+        return $this;
+    }
 }
diff --git a/src/Form/AssignmentType.php b/src/Form/AssignmentType.php
index f7a95fd..82017bb 100644
--- a/src/Form/AssignmentType.php
+++ b/src/Form/AssignmentType.php
@@ -17,6 +17,7 @@ use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 use Symfony\Component\Form\Extension\Core\Type\CollectionType;
 use Symfony\Component\Form\Extension\Core\Type\IntegerType;
 use Symfony\Component\Form\Extension\Core\Type\TextareaType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\FormEvent;
 use Symfony\Component\Form\FormEvents;
@@ -57,6 +58,9 @@ class AssignmentType extends AbstractType
                     'hx-swap' => 'innerHTML',
                 ],
             ])
+            ->add('costCenter', TextType::class, [
+                'label' => 'Kostenträger',
+            ])
             ->add('jobProfile', EntityType::class, [
                 'label' => 'Jobprofil',
                 'class' => JobProfile::class,
@@ -204,4 +208,4 @@ class AssignmentType extends AbstractType
             'anti_xss' => true,
         ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Service/Pdf/InvoiceApprover.php b/src/Service/Pdf/InvoiceApprover.php
new file mode 100644
index 0000000..81c704c
--- /dev/null
+++ b/src/Service/Pdf/InvoiceApprover.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Service\Pdf;
+
+use App\Entity\Disposition;
+use App\Entity\Upload;
+use Symfony\Component\Filesystem\Filesystem;
+
+class InvoiceApprover extends AbstractPdfRenderer
+{
+    public function render(Disposition $disposition): Pdf
+    {
+        $teamer = $disposition->getTeamer();
+        $invoice = $disposition->getDocumentByType(Upload::TYPE_INVOICE);
+        $originalPdfFilename = $invoice->getFilename();
+
+        $pdf = new Pdf();
+
+        $pdf->SetAuthor($teamer->getFullName(), true);
+        $pdf->SetCreator($teamer->getFullName(), true);
+
+        // Load template
+        $filepath = sprintf('%s/uploads/invoice/%s', $this->config['project_dir'], $originalPdfFilename);
+        $pdf->appendPdf($filepath);
+        $pdf->setPage(1);
+
+        $pdf->SetFont('Arial', '', 11);
+        $pdf->SetTextColor(0, 128, 0);
+        $pdf->Text(116.5,84, utf8_decode('geprüft: '.$invoice->getApprovedBy()));
+
+        $this->createBackup($filepath);
+
+        $pdf->Output('F', $filepath);
+
+        return $pdf;
+    }
+
+    private function createBackup(string $source): void
+    {
+        $filesystem = new Filesystem();
+
+        if (!$filesystem->exists($source)) {
+            return;
+        }
+
+        $path = pathinfo($source, PATHINFO_DIRNAME);
+        $filename = pathinfo($source, PATHINFO_FILENAME);
+        $extension = pathinfo($source, PATHINFO_EXTENSION);
+
+        $target = sprintf('%s/%s.bak.%s', $path, $filename, $extension);
+
+        $filesystem->copy($source, $target);
+    }
+}
diff --git a/src/Service/Pdf/InvoiceRenderer.php b/src/Service/Pdf/InvoiceRenderer.php
index fb712aa..0d465ab 100644
--- a/src/Service/Pdf/InvoiceRenderer.php
+++ b/src/Service/Pdf/InvoiceRenderer.php
@@ -3,6 +3,7 @@
 namespace App\Service\Pdf;
 
 use App\Entity\Disposition;
+use App\Entity\Upload;
 
 class InvoiceRenderer extends AbstractPdfRenderer
 {
@@ -35,6 +36,18 @@ class InvoiceRenderer extends AbstractPdfRenderer
         // Tax ID
         $pdf->Text(144,62, utf8_decode($teamer->getTaxId()));
 
+        // Cost unit
+        if (null !== $costUnit = $assignment->getDestination()->getCostUnit()) {
+            $pdf->SetFont('Arial', '', 11);
+            $pdf->Text(116.5,74, utf8_decode('Kostenstelle: '.$costUnit));
+        }
+
+        // Cost center
+        if (null !== $costCenter = $assignment->getCostCenter()) {
+            $pdf->SetFont('Arial', '', 11);
+            $pdf->Text(116.5,79, utf8_decode('Kostenträger: '.$costCenter));
+        }
+
         // Invoice number
         $pdf->SetFont('Arial', '', 12);
         $number = $assignment->getEffectivePeriod()->start->format('d/m/Y');
diff --git a/templates/administrative/assignment/_form.html.twig b/templates/administrative/assignment/_form.html.twig
index c0a695e..9874d80 100644
--- a/templates/administrative/assignment/_form.html.twig
+++ b/templates/administrative/assignment/_form.html.twig
@@ -23,18 +23,19 @@
         {{ form_row(form.jobProfile) }}
         {{ form_row(form.jobProfileInfo) }}
         {{ form_row(form.benefits) }}
-        {{ form_row(form.contact) }}
-    </div>
-    <div class="relative">
-        <div class="grid lg:grid-cols-2 gap-x-8 gap-y-4" id="pickup-form">
+        <div class="relative" id="pickup-form">
             {% block partial_form %}
                 {{ form_row(form.pickup) }}
             {% endblock %}
         </div>
     </div>
-    <div class="grid lg:grid-cols-2 gap-x-8 gap-y-4">
+    <div class="grid lg:grid-cols-2 gap-x-8 gap-y-4 items-start">
         {{ form_row(form.fees) }}
-        {{ form_row(form.remarks) }}
+        <div class="grid grid-cols-1 gap-y-4">
+            {{ form_row(form.contact) }}
+            {{ form_row(form.remarks) }}
+            {{ form_row(form.costCenter) }}
+        </div>
     </div>
 </div>
 <div class="flex items-center space-x-2">
@@ -46,4 +47,4 @@
     </a>
 </div>
 {{ form_rest(form) }}
-{{ form_end(form) }}
\ No newline at end of file
+{{ form_end(form) }}
diff --git a/tests/Service/Pdf/InvoiceRendererTest.php b/tests/Service/Pdf/InvoiceRendererTest.php
index 64379a8..59c7f2d 100644
--- a/tests/Service/Pdf/InvoiceRendererTest.php
+++ b/tests/Service/Pdf/InvoiceRendererTest.php
@@ -11,7 +11,9 @@ use App\Entity\Embeddable\BankAccount;
 use App\Entity\Embeddable\Communication;
 use App\Entity\JobProfile;
 use App\Entity\Teamer;
+use App\Entity\Upload;
 use App\Entity\User;
+use App\Service\Pdf\InvoiceApprover;
 use App\Service\Pdf\InvoiceRenderer;
 use App\Service\Pdf\Pdf;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
@@ -64,6 +66,7 @@ class InvoiceRendererTest extends WebTestCase
             ->setCode('ABC123')
             ->setDateFrom(new \DateTimeImmutable('2023-12-01'))
             ->setDateTo(new \DateTimeImmutable('2023-12-08'))
+            ->setCostUnit('FOO123')
         ;
 
         $jobProfile = new JobProfile();
@@ -81,6 +84,7 @@ class InvoiceRendererTest extends WebTestCase
             ->setDestination($destination)
             ->setJobProfile($jobProfile)
             ->setContact($contact)
+            ->setCostCenter('BAR456')
         ;
 
         $application = new Application($assignment, $teamer);
@@ -89,6 +93,20 @@ class InvoiceRendererTest extends WebTestCase
         $pdf = $renderer->render($disposition);
         $this->assertInstanceOf(Pdf::class, $pdf);
 
-        $pdf->Output('F', $projectDir.'/temp/Honorarnote.pdf');
+        $pdf->Output('F', $projectDir.'/uploads/invoice/Honorarnote.pdf');
+
+        $invoice = new Upload();
+        $invoice
+            ->setType(Upload::TYPE_INVOICE)
+            ->setFilename('Honorarnote.pdf')
+            ->setApprovedBy('FOO')
+            ->setApprovedAt(new \DateTimeImmutable())
+            ->setStatus(Upload::STATUS_PAID)
+        ;
+        $disposition->addDocument($invoice);
+
+        $approver = new InvoiceApprover($translator, ['project_dir' => $projectDir]);
+        $pdf = $approver->render($disposition);
+        $this->assertInstanceOf(Pdf::class, $pdf);
     }
 }