diff --git a/assets/images/icons.svg b/assets/images/icons.svg
index 7176be2..e43afb4 100644
--- a/assets/images/icons.svg
+++ b/assets/images/icons.svg
@@ -166,6 +166,9 @@
     <symbol id="icon-power" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor">
         <path stroke-linecap="round" stroke-linejoin="round" d="M5.636 5.636a9 9 0 1 0 12.728 0M12 3v9" />
     </symbol>
+    <symbol id="icon-no-symbol" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor">
+        <path stroke-linecap="round" stroke-linejoin="round" d="M18.364 18.364A9 9 0 0 0 5.636 5.636m12.728 12.728A9 9 0 0 1 5.636 5.636m12.728 12.728L5.636 5.636" />
+    </symbol>
     <symbol id="icon-bus" xmlns="http://www.w3.org/2000/svg" stroke-width="1.5" viewBox="0 0 24 24" stroke="currentColor" fill="none">
         <path stroke="none" d="M0 0h24v24H0z" fill="none"/>
         <path d="M6 17m-2 0a2 2 0 1 0 4 0a2 2 0 1 0 -4 0" />
diff --git a/src/Controller/Administrative/Assignment/CallOffController.php b/src/Controller/Administrative/Assignment/CallOffController.php
new file mode 100644
index 0000000..a229be6
--- /dev/null
+++ b/src/Controller/Administrative/Assignment/CallOffController.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Controller\Administrative\Assignment;
+
+use App\Entity\Assignment;
+use App\Event\AssignmentCalledOffEvent;
+use App\Htmx\HxRedirectResponse;
+use Doctrine\ORM\EntityManagerInterface;
+use Psr\Log\LoggerInterface;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
+
+class CallOffController extends AbstractController
+{
+    public function __construct(
+        private readonly EntityManagerInterface $entityManager,
+        private readonly EventDispatcherInterface $eventDispatcher,
+        private readonly LoggerInterface $logger
+    ) {
+    }
+
+    #[Route('/administrative/assignment/call-off/{uuid}', name: 'app_administrative_assignment_call_off')]
+    #[IsGranted('ROLE_ADMINISTRATIVE')]
+    public function index(Assignment $assignment, Request $request): Response
+    {
+        if (true === $request->isMethod('POST')) {
+            $assignment->setStatus(Assignment::STATUS_CALLED_OFF);
+
+            $this->entityManager->flush();
+
+            $this
+                ->eventDispatcher
+                ->dispatch(new AssignmentCalledOffEvent($assignment), AssignmentCalledOffEvent::NAME)
+            ;
+
+            $this->logger->info('Call off assignment', [
+                'assignment_id' => $assignment->getId(),
+                'destination' => (string) $assignment->getDestination(),
+                'job_profile' => $assignment->getJobProfile()->getName(),
+            ]);
+
+            $this->addFlash('success', 'Der Einsatz/die Reise wurde abgesagt');
+
+            return new HxRedirectResponse($this->generateUrl('app_administrative_assignment_index'));
+        }
+
+        return $this->render('administrative/assignment/modal_call_off.html.twig', [
+            'assignment' => $assignment,
+        ]);
+    }
+}
\ No newline at end of file
diff --git a/src/Entity/Assignment.php b/src/Entity/Assignment.php
index d14cca7..b72e8e5 100644
--- a/src/Entity/Assignment.php
+++ b/src/Entity/Assignment.php
@@ -29,6 +29,7 @@ class Assignment implements BlameableEntityInterface, TimestampableEntityInterfa
     public const STATUS_STAFFING = 'staffing';
     public const STATUS_UNSTAFFED = 'unstaffed';
     public const STATUS_DELETED = 'deleted';
+    public const STATUS_CALLED_OFF = 'called_off';
 
     #[ORM\Id]
     #[ORM\GeneratedValue]
diff --git a/src/Event/AssignmentCalledOffEvent.php b/src/Event/AssignmentCalledOffEvent.php
new file mode 100644
index 0000000..4fb922c
--- /dev/null
+++ b/src/Event/AssignmentCalledOffEvent.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Event;
+
+use App\Entity\Assignment;
+use Symfony\Contracts\EventDispatcher\Event;
+
+class AssignmentCalledOffEvent extends Event
+{
+    public const NAME = 'assignment.called_off';
+
+    public function __construct(private readonly Assignment $assignment)
+    {}
+
+    public function getAssignment(): Assignment
+    {
+        return $this->assignment;
+    }
+}
\ No newline at end of file
diff --git a/src/EventListener/EmailNotificationSubscriber.php b/src/EventListener/EmailNotificationSubscriber.php
index e2c11c4..2d26f47 100644
--- a/src/EventListener/EmailNotificationSubscriber.php
+++ b/src/EventListener/EmailNotificationSubscriber.php
@@ -6,6 +6,7 @@ use App\Email\Mailer;
 use App\Entity\Application;
 use App\Entity\Upload;
 use App\Event\ApplicationStatusEvent;
+use App\Event\AssignmentCalledOffEvent;
 use App\Event\DispositionCreatedEvent;
 use App\Event\DocumentRejectedEvent;
 use App\Event\DocumentUploadedEvent;
@@ -30,6 +31,7 @@ class EmailNotificationSubscriber implements EventSubscriberInterface
             DocumentUploadedEvent::NAME => 'onDocumentUploaded',
             DocumentRejectedEvent::NAME => 'onDocumentRejected',
             ApplicationStatusEvent::NAME => 'onApplicationStatus',
+            AssignmentCalledOffEvent::NAME => 'onAssignmentCalledOff',
         ];
     }
 
@@ -154,4 +156,20 @@ class EmailNotificationSubscriber implements EventSubscriberInterface
             'template' => 'email/application_rejected.html.twig',
         ]);
     }
+
+    public function onAssignmentCalledOff(AssignmentCalledOffEvent $event): void
+    {
+        $assignment = $event->getAssignment();
+        foreach ($assignment->getDispositions() as $disposition) {
+            $teamer = $disposition->getTeamer();
+
+            $this->mailer->createAndSendEmail([
+                'assignment' => $assignment,
+            ], [
+                'to' => $teamer->getCommunication()->getEmail(),
+                'subject' => 'Die Reise zu deinem Einsatz wurde abgesagt',
+                'template' => 'email/assignment_called_off.html.twig',
+            ]);
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/Form/AssignmentType.php b/src/Form/AssignmentType.php
index c2324ba..f7a95fd 100644
--- a/src/Form/AssignmentType.php
+++ b/src/Form/AssignmentType.php
@@ -37,6 +37,7 @@ class AssignmentType extends AbstractType
                 'choices' => [
                     'Entwurf' => Assignment::STATUS_DRAFT,
                     'veröffentlicht' => Assignment::STATUS_PUBLISHED,
+                    'abgesagt' => Assignment::STATUS_CALLED_OFF,
                 ],
             ])
             ->add('availableDispositions', IntegerType::class, [
diff --git a/src/Repository/AssignmentRepository.php b/src/Repository/AssignmentRepository.php
index 3ca0580..0dcea06 100644
--- a/src/Repository/AssignmentRepository.php
+++ b/src/Repository/AssignmentRepository.php
@@ -67,12 +67,14 @@ class AssignmentRepository extends ServiceEntityRepository
                     )
                 ),
                 $qb->expr()->isNull('assignment.deletedAt'),
+                $qb->expr()->notIn('assignment.status', ':status'),
                 $qb->expr()->in('assignment.id', $availableAssignmentsIds)
             ))
             ->leftJoin('assignment.applications', 'application', Join::WITH, $qb->expr()->eq('application.teamer', ':teamer'))
             ->leftJoin('assignment.dispositions', 'disposition', Join::WITH, $qb->expr()->eq('disposition.teamer', ':teamer'))
             ->groupBy('assignment')
             ->setParameter('teamer', $teamer)
+            ->setParameter('status', [Assignment::STATUS_DRAFT, Assignment::STATUS_CALLED_OFF])
             ->setParameter('now', new \DateTimeImmutable())
         ;
 
@@ -273,12 +275,12 @@ class AssignmentRepository extends ServiceEntityRepository
                         $qb->expr()->gt('assignment.dateFrom', ':now')
                     )
                 ),
-                $qb->expr()->neq('assignment.status', ':status'),
+                $qb->expr()->notIn('assignment.status', ':status'),
                 $qb->expr()->isNull('assignment.deletedAt')
             ))
             ->groupBy('assignment')
             ->having($qb->expr()->gt('assignment.availableDispositions', $qb->expr()->count('disposition.id')))
-            ->setParameter('status', Assignment::STATUS_DRAFT)
+            ->setParameter('status', [Assignment::STATUS_DRAFT, Assignment::STATUS_CALLED_OFF])
             ->setParameter('now', new \DateTimeImmutable())
             ->getQuery()
             ->getArrayResult()
diff --git a/src/Repository/DispositionRepository.php b/src/Repository/DispositionRepository.php
index d66e99e..fd66872 100644
--- a/src/Repository/DispositionRepository.php
+++ b/src/Repository/DispositionRepository.php
@@ -37,6 +37,7 @@ class DispositionRepository extends ServiceEntityRepository
             ->innerJoin('assignment.destination', 'destination')
             ->where($qb->expr()->andX(
                 $qb->expr()->eq('disposition.teamer', ':teamer'),
+                $qb->expr()->neq('assignment.status', ':status'),
                 $qb->expr()->orX(
                     $qb->expr()->andX(
                         $qb->expr()->isNull('assignment.dateFrom'),
@@ -49,6 +50,7 @@ class DispositionRepository extends ServiceEntityRepository
                 )
             ))
             ->setParameter('teamer', $teamer)
+            ->setParameter('status', Assignment::STATUS_CALLED_OFF)
             ->setParameter('date', new \DateTimeImmutable())
             ->getQuery()
         ;
diff --git a/src/Security/Voter/AssignmentVoter.php b/src/Security/Voter/AssignmentVoter.php
index 95188cd..e52c322 100644
--- a/src/Security/Voter/AssignmentVoter.php
+++ b/src/Security/Voter/AssignmentVoter.php
@@ -17,6 +17,7 @@ class AssignmentVoter extends Voter
     public const EDIT = 'EDIT';
     public const APPLY = 'APPLY';
     public const PUBLISH = 'PUBLISH';
+    public const CALL_OFF = 'CALL_OFF';
 
     public function __construct(
         private readonly Security $security,
@@ -30,7 +31,7 @@ class AssignmentVoter extends Voter
             return false;
         }
 
-        return in_array($attribute, [static::VIEW, static::EDIT, static::APPLY, static::PUBLISH]);
+        return in_array($attribute, [static::VIEW, static::EDIT, static::APPLY, static::PUBLISH, static::CALL_OFF]);
     }
 
     protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token): bool
@@ -54,8 +55,19 @@ class AssignmentVoter extends Voter
                 && $this->security->isGranted('ROLE_ADMINISTRATIVE');
         }
 
-        // Only allow applications to published assignments
-        if (Assignment::STATUS_DRAFT === $assignment->getStatus()) {
+        // Only users with administrative role may call off assignments
+        if (static::CALL_OFF === $attribute) {
+            return Assignment::STATUS_CALLED_OFF !== $assignment->getStatus()
+                && $this->security->isGranted('ROLE_ADMINISTRATIVE');
+        }
+
+        // Only allow applications to published, not deleted and not called off assignments
+        if (
+            true === in_array($assignment->getStatus(), [
+                Assignment::STATUS_DRAFT,
+                Assignment::STATUS_DELETED,
+                Assignment::STATUS_CALLED_OFF,
+            ])) {
             return false;
         }
 
diff --git a/templates/administrative/assignment/index.html.twig b/templates/administrative/assignment/index.html.twig
index 30e260a..f204ccf 100644
--- a/templates/administrative/assignment/index.html.twig
+++ b/templates/administrative/assignment/index.html.twig
@@ -71,26 +71,26 @@
                         </td>
                         <td>
                             <div class="flex flex-col items-center space-y-2">
-                                {% if assignment.status == 'draft' %}
+                                {% if assignment.status == constant('App\\Entity\\Assignment::STATUS_DRAFT') %}
                                     {{ icon('edit', 'w-4 h-4') }}
+                                {% elseif assignment.status == constant('App\\Entity\\Assignment::STATUS_CALLED_OFF') %}
+                                    {{ icon('no-symbol', 'w-4 h-4') }}
+                                {% elseif assignment.staffingStatus == constant('App\\Entity\\Assignment::STATUS_STAFFED') %}
+                                    <svg viewBox="0 0 5 5" class="h-4 w-4 fill-current text-green-500">
+                                        <circle cx="3" cy="3" r="2" />
+                                    </svg>
+                                {% elseif assignment.staffingStatus == constant('App\\Entity\\Assignment::STATUS_PARTLY_STAFFED') %}
+                                    <svg viewBox="0 0 5 5" class="h-4 w-4 fill-current text-yellow-500">
+                                        <circle cx="3" cy="3" r="2" />
+                                    </svg>
+                                {% elseif assignment.staffingStatus == constant('App\\Entity\\Assignment::STATUS_STAFFING') %}
+                                    <svg viewBox="0 0 5 5" class="h-4 w-4 fill-current text-blue-500">
+                                        <circle cx="3" cy="3" r="2" />
+                                    </svg>
                                 {% else %}
-                                    {% if assignment.staffingStatus == constant('App\\Entity\\Assignment::STATUS_STAFFED') %}
-                                        <svg viewBox="0 0 5 5" class="h-4 w-4 fill-current text-green-500">
-                                            <circle cx="3" cy="3" r="2" />
-                                        </svg>
-                                    {% elseif assignment.staffingStatus == constant('App\\Entity\\Assignment::STATUS_PARTLY_STAFFED') %}
-                                        <svg viewBox="0 0 5 5" class="h-4 w-4 fill-current text-yellow-500">
-                                            <circle cx="3" cy="3" r="2" />
-                                        </svg>
-                                    {% elseif assignment.staffingStatus == constant('App\\Entity\\Assignment::STATUS_STAFFING') %}
-                                        <svg viewBox="0 0 5 5" class="h-4 w-4 fill-current text-blue-500">
-                                            <circle cx="3" cy="3" r="2" />
-                                        </svg>
-                                    {% else %}
-                                        <svg viewBox="0 0 5 5" class="h-4 w-4 fill-current text-gray-100">
-                                            <circle cx="3" cy="3" r="2" />
-                                        </svg>
-                                    {% endif %}
+                                    <svg viewBox="0 0 5 5" class="h-4 w-4 fill-current text-gray-100">
+                                        <circle cx="3" cy="3" r="2" />
+                                    </svg>
                                 {% endif %}
                             </div>
                         </td>
@@ -167,6 +167,17 @@
                                         hx-swap="beforeend">
                                     löschen
                                 </button>
+                                {% if is_granted('CALL_OFF', assignment) %}
+                                    <button type="button"
+                                            class="text-red-500 hover:text-primary block px-4 py-2 text-sm w-full text-left"
+                                            role="menuitem"
+                                            tabindex="-1"
+                                            hx-get="{{ path('app_administrative_assignment_call_off', { 'uuid': assignment.uuid }) }}"
+                                            hx-target="body"
+                                            hx-swap="beforeend">
+                                        absagen
+                                    </button>
+                                {% endif %}
                                 <a href="{{ path('app_administrative_assignment_duplicate', { 'uuid': assignment.uuid, 'r': return_url() }) }}"
                                    class="text-gray-700 hover:text-primary block px-4 py-2 text-sm"
                                    role="menuitem"
@@ -207,6 +218,10 @@
     </div>
 
     <div class="flex items-center space-x-2 pb-8 -mt-4">
+        <div class="flex items-center">
+            {{ icon('no-symbol', 'w-4 h-4 mr-1') }}
+            <span>= abgesagt</span>
+        </div>
         <div class="flex items-center">
             <svg viewBox="0 0 5 5" class="h-4 w-4 fill-current text-gray-100 mr-1">
                 <circle cx="3" cy="3" r="2" />
diff --git a/templates/administrative/assignment/modal_call_off.html.twig b/templates/administrative/assignment/modal_call_off.html.twig
new file mode 100644
index 0000000..e2e0f38
--- /dev/null
+++ b/templates/administrative/assignment/modal_call_off.html.twig
@@ -0,0 +1,8 @@
+{% extends 'htmx_confirmation_modal.html.twig' %}
+
+{% block content %}
+    <div>
+        Möchtest du den Einsatz/die Reise <em>{{ assignment.destination.product }}</em> wirklich absagen und die
+        eingeteilten Teamer:innen benachrichtigen?
+    </div>
+{% endblock %}
\ No newline at end of file
diff --git a/templates/email/assignment_called_off.html.twig b/templates/email/assignment_called_off.html.twig
new file mode 100644
index 0000000..2110ca8
--- /dev/null
+++ b/templates/email/assignment_called_off.html.twig
@@ -0,0 +1,22 @@
+{% extends 'email/layout.html.twig' %}
+
+{% block body %}
+    <h1>
+        Hallo aus Köln,
+    </h1>
+    <p>
+        leider mussten wir die Reise zu deinem Einsatz '{{ assignment.destination }}' absagen, sodass dein Einsatz
+        nicht stattfinden kann.
+    </p>
+    <p>
+        Bitte entschuldige die Umstände!
+    </p>
+    <p>
+        Bei Fragen melde dich gerne unter <a href="mailto:team@ep-reisen.de">team@ep-reisen.de</a>
+    </p>
+    <p>
+        <a href="{{ url('app_teamer_index') }}" class="button">
+            Zum Portal
+        </a>
+    </p>
+{% endblock %}
\ No newline at end of file