diff --git a/src/Bundle/ChillTicketBundle/src/Action/Ticket/Handler/SetPersonsCommandHandler.php b/src/Bundle/ChillTicketBundle/src/Action/Ticket/Handler/SetPersonsCommandHandler.php
new file mode 100644
index 000000000..e0a7cfbd0
--- /dev/null
+++ b/src/Bundle/ChillTicketBundle/src/Action/Ticket/Handler/SetPersonsCommandHandler.php
@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\TicketBundle\Action\Ticket\Handler;
+
+use Chill\MainBundle\Entity\User;
+use Chill\TicketBundle\Action\Ticket\SetPersonsCommand;
+use Chill\TicketBundle\Entity\PersonHistory;
+use Chill\TicketBundle\Entity\Ticket;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\Clock\ClockInterface;
+use Symfony\Component\Security\Core\Security;
+
+final readonly class SetPersonsCommandHandler
+{
+    public function __construct(
+        private ClockInterface $clock,
+        private EntityManagerInterface $entityManager,
+        private Security $security,
+    ) {}
+
+    public function handle(Ticket $ticket, SetPersonsCommand $command): void
+    {
+        // remove existing addresses which are not in the new addresses
+        foreach ($ticket->getPersonHistories() as $personHistory) {
+            if (null !== $personHistory->getEndDate()) {
+                continue;
+            }
+
+            if (!in_array($personHistory->getPerson(), $command->persons, true)) {
+                $personHistory->setEndDate($this->clock->now());
+                if (($user = $this->security->getUser()) instanceof User) {
+                    $personHistory->setRemovedBy($user);
+                }
+            }
+        }
+
+        // add new addresses
+        foreach ($command->persons as $person) {
+            if (in_array($person, $ticket->getPersons(), true)) {
+                continue;
+            }
+
+            $history = new PersonHistory($person, $ticket, $this->clock->now());
+            $this->entityManager->persist($history);
+        }
+    }
+}
diff --git a/src/Bundle/ChillTicketBundle/src/Action/Ticket/SetPersonsCommand.php b/src/Bundle/ChillTicketBundle/src/Action/Ticket/SetPersonsCommand.php
new file mode 100644
index 000000000..6bd47a567
--- /dev/null
+++ b/src/Bundle/ChillTicketBundle/src/Action/Ticket/SetPersonsCommand.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\TicketBundle\Action\Ticket;
+
+use Chill\PersonBundle\Entity\Person;
+use Symfony\Component\Serializer\Annotation\Groups;
+use Symfony\Component\Validator\Constraints\GreaterThan;
+
+class SetPersonsCommand
+{
+    public function __construct(
+        /**
+         * @var list<Person>
+         */
+        #[GreaterThan(0)]
+        #[Groups(['read'])]
+        public array $persons
+    ) {}
+}
diff --git a/src/Bundle/ChillTicketBundle/src/Controller/SetPersonsController.php b/src/Bundle/ChillTicketBundle/src/Controller/SetPersonsController.php
new file mode 100644
index 000000000..3fbe254a8
--- /dev/null
+++ b/src/Bundle/ChillTicketBundle/src/Controller/SetPersonsController.php
@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\TicketBundle\Controller;
+
+use Chill\TicketBundle\Action\Ticket\Handler\SetPersonsCommandHandler;
+use Chill\TicketBundle\Action\Ticket\SetPersonsCommand;
+use Chill\TicketBundle\Entity\Ticket;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\Security\Core\Security;
+use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;
+use Symfony\Component\Serializer\SerializerInterface;
+use Symfony\Component\Validator\Validator\ValidatorInterface;
+
+final readonly class SetPersonsController
+{
+    public function __construct(
+        private Security $security,
+        private EntityManagerInterface $entityManager,
+        private SerializerInterface $serializer,
+        private SetPersonsCommandHandler $setPersonsCommandHandler,
+        private ValidatorInterface $validator,
+    ) {}
+
+    #[Route('/api/1.0/ticket/{id}/persons/set', methods: ['POST'])]
+    public function setPersons(Ticket $ticket, Request $request): Response
+    {
+        if (!$this->security->isGranted('ROLE_USER')) {
+            throw new AccessDeniedHttpException('Only users can set addressees.');
+        }
+
+        $command = $this->serializer->deserialize($request->getContent(), SetPersonsCommand::class, 'json', [AbstractNormalizer::GROUPS => ['read']]);
+
+        return $this->registerSetPersons($command, $ticket);
+    }
+
+    private function registerSetPersons(SetPersonsCommand $command, Ticket $ticket): Response
+    {
+        if (0 < count($errors = $this->validator->validate($command))) {
+            return new JsonResponse(
+                $this->serializer->serialize($errors, 'json'),
+                Response::HTTP_UNPROCESSABLE_ENTITY,
+                [],
+                true
+            );
+        }
+
+        $this->setPersonsCommandHandler->handle($ticket, $command);
+
+        $this->entityManager->flush();
+
+        return new JsonResponse(
+            $this->serializer->serialize($ticket, 'json', ['groups' => 'read']),
+            Response::HTTP_OK,
+            [],
+            true,
+        );
+    }
+}
diff --git a/src/Bundle/ChillTicketBundle/src/Entity/PersonHistory.php b/src/Bundle/ChillTicketBundle/src/Entity/PersonHistory.php
index 927ea978f..1fce78fa1 100644
--- a/src/Bundle/ChillTicketBundle/src/Entity/PersonHistory.php
+++ b/src/Bundle/ChillTicketBundle/src/Entity/PersonHistory.php
@@ -91,4 +91,9 @@ class PersonHistory implements TrackCreationInterface
 
         return $this;
     }
+
+    public function setRemovedBy(?User $removedBy): void
+    {
+        $this->removedBy = $removedBy;
+    }
 }
diff --git a/src/Bundle/ChillTicketBundle/tests/Action/Ticket/Handler/SetPersonsCommandHandlerTest.php b/src/Bundle/ChillTicketBundle/tests/Action/Ticket/Handler/SetPersonsCommandHandlerTest.php
new file mode 100644
index 000000000..3db50e7e6
--- /dev/null
+++ b/src/Bundle/ChillTicketBundle/tests/Action/Ticket/Handler/SetPersonsCommandHandlerTest.php
@@ -0,0 +1,122 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\TicketBundle\Tests\Action\Ticket\Handler;
+
+use Chill\MainBundle\Entity\User;
+use Chill\PersonBundle\Entity\Person;
+use Chill\TicketBundle\Action\Ticket\Handler\SetPersonsCommandHandler;
+use Chill\TicketBundle\Action\Ticket\SetPersonsCommand;
+use Chill\TicketBundle\Entity\PersonHistory;
+use Chill\TicketBundle\Entity\Ticket;
+use Doctrine\ORM\EntityManagerInterface;
+use PHPUnit\Framework\TestCase;
+use Prophecy\Argument;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Symfony\Component\Clock\MockClock;
+use Symfony\Component\Security\Core\Security;
+
+/**
+ * @internal
+ *
+ * @coversNothing
+ */
+final class SetPersonsCommandHandlerTest extends TestCase
+{
+    use ProphecyTrait;
+
+    public function testHandleOnEmptyAddresses(): void
+    {
+        $ticket = new Ticket();
+        $command = new SetPersonsCommand([$person1 = new Person(), $group1 = new Person()]);
+
+        $entityManager = $this->prophesize(EntityManagerInterface::class);
+        $entityManager->persist(Argument::that(function ($arg) use ($person1) {
+            return $arg instanceof PersonHistory && $arg->getPerson() === $person1;
+        }))->shouldBeCalledOnce();
+        $entityManager->persist(Argument::that(function ($arg) use ($group1) {
+            return $arg instanceof PersonHistory && $arg->getPerson() === $group1;
+        }))->shouldBeCalledOnce();
+
+        $handler = $this->buildHandler($entityManager->reveal());
+
+        $handler->handle($ticket, $command);
+
+        self::assertCount(2, $ticket->getPersons());
+    }
+
+    public function testHandleExistingPersonIsNotRemovedNorCreatingDouble(): void
+    {
+        $ticket = new Ticket();
+        $person = new Person();
+        $history = new PersonHistory($person, $ticket, new \DateTimeImmutable('1 month ago'));
+        $command = new SetPersonsCommand([$person]);
+
+        $entityManager = $this->prophesize(EntityManagerInterface::class);
+        $entityManager->persist(Argument::that(function ($arg) use ($person) {
+            return $arg instanceof PersonHistory && $arg->getPerson() === $person;
+        }))->shouldNotBeCalled();
+
+        $handler = $this->buildHandler($entityManager->reveal());
+
+        $handler->handle($ticket, $command);
+
+        self::assertNull($history->getEndDate());
+        self::assertCount(1, $ticket->getPersons());
+    }
+
+    public function testHandleRemoveExistingPerson(): void
+    {
+        $ticket = new Ticket();
+        $person = new Person();
+        $person2 = new Person();
+        $history = new PersonHistory($person, $ticket, new \DateTimeImmutable('1 month ago'));
+        $command = new SetPersonsCommand([$person2]);
+
+        $entityManager = $this->prophesize(EntityManagerInterface::class);
+        $entityManager->persist(Argument::that(function ($arg) use ($person2) {
+            return $arg instanceof PersonHistory && $arg->getPerson() === $person2;
+        }))->shouldBeCalled();
+
+        $handler = $this->buildHandler($entityManager->reveal());
+
+        $handler->handle($ticket, $command);
+
+        self::assertNotNull($history->getEndDate());
+        self::assertContains($person2, $ticket->getPersons());
+    }
+
+    public function testAddingDoublingPersonsDoesNotCreateDoubleHistories(): void
+    {
+        $ticket = new Ticket();
+        $person = new Person();
+        $command = new SetPersonsCommand([$person, $person]);
+
+        $entityManager = $this->prophesize(EntityManagerInterface::class);
+        $entityManager->persist(Argument::that(function ($arg) use ($person) {
+            return $arg instanceof PersonHistory && $arg->getPerson() === $person;
+        }))->shouldBeCalledOnce();
+
+        $handler = $this->buildHandler($entityManager->reveal());
+
+        $handler->handle($ticket, $command);
+
+        self::assertCount(1, $ticket->getPersons());
+    }
+
+    private function buildHandler(EntityManagerInterface $entityManager): SetPersonsCommandHandler
+    {
+        $security = $this->prophesize(Security::class);
+        $security->getUser()->willReturn(new User());
+
+        return new SetPersonsCommandHandler(new MockClock(), $entityManager, $security->reveal());
+    }
+}