diff --git a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseController.php b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseController.php
index 5c11f4802..3b6698875 100644
--- a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseController.php
+++ b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseController.php
@@ -158,4 +158,29 @@ class AccompanyingCourseController extends Controller
         ]);
     }
 
+    /**
+     * @Route("/{_locale}/parcours/{accompanying_period_id}/close", name="chill_person_accompanying_course_close")
+     * @ParamConverter("accompanyingCourse", options={"id": "accompanying_period_id"})
+     */
+
+    public function closeAction(AccompanyingPeriod $accompanyingCourse, Request $request): Response
+    {
+        $this->denyAccessUnlessGranted(AccompanyingPeriodVoter::EDIT, $accompanyingCourse);
+
+        $form = $this->createForm(AccompanyingCourseType::class, $accompanyingCourse);
+
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            
+            $this->getDoctrine()->getManager()->flush();
+
+        }
+
+        return $this->render('@ChillPerson/AccompanyingCourse/close.html.twig', [
+            'form' => $form->createView(),
+            'accompanyingCourse' => $accompanyingCourse
+        ]);
+    }
+
 }
diff --git a/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php b/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
index 211765330..996215082 100644
--- a/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
+++ b/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
@@ -221,12 +221,17 @@ class ChillPersonExtension extends Extension implements PrependExtensionInterfac
                     'places' => [
                         'DRAFT',
                         'CONFIRMED',
+                        'CLOSED',
                     ],
                     'transitions' => [
                         'confirm' => [
                             'from' =>  'DRAFT',
                             'to' =>  'CONFIRMED'
                         ],
+                        'close' => [
+                            'from' => 'CONFIRMED',
+                            'to' => 'CLOSED'
+                        ],
                     ],
                 ],
             ]
diff --git a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
index 15f33abe7..0fdbe35fd 100644
--- a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
+++ b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
@@ -94,6 +94,14 @@ class AccompanyingPeriod implements TrackCreationInterface, TrackUpdateInterface
      */
     public const STEP_CONFIRMED = 'CONFIRMED';
 
+    /**
+     * Mark an accompanying period as "closed".
+     *
+     * This means that the accompanying period **is**
+     * closed by the creator
+     */
+    public const STEP_CLOSED = 'CLOSED';
+
     /**
      * @var integer
      *
@@ -117,6 +125,8 @@ class AccompanyingPeriod implements TrackCreationInterface, TrackUpdateInterface
      *
      * @ORM\Column(type="date", nullable=true)
      * @Groups({"read", "write"})
+     * @Assert\NotBlank(groups={AccompanyingPeriod::STEP_CLOSED})
+     * @Assert\GreaterThan(propertyPath="openingDate", groups={AccompanyingPeriod::STEP_CLOSED})
      */
     private $closingDate = null;
 
@@ -166,6 +176,7 @@ class AccompanyingPeriod implements TrackCreationInterface, TrackUpdateInterface
      *     targetEntity="Chill\PersonBundle\Entity\AccompanyingPeriod\ClosingMotive")
      * @ORM\JoinColumn(nullable=true)
      * @Groups({"read", "write"})
+     * @Assert\NotBlank(groups={AccompanyingPeriod::STEP_CLOSED})
      */
     private $closingMotive = null;
 
diff --git a/src/Bundle/ChillPersonBundle/Form/AccompanyingCourseType.php b/src/Bundle/ChillPersonBundle/Form/AccompanyingCourseType.php
new file mode 100644
index 000000000..a1bdd5c2e
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/Form/AccompanyingCourseType.php
@@ -0,0 +1,22 @@
+<?php
+declare(strict_types=1);
+
+namespace Chill\PersonBundle\Form;
+
+use Chill\MainBundle\Form\Type\ChillDateType;
+use Chill\PersonBundle\Form\Type\ClosingMotivePickerType;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\FormBuilderInterface;
+
+class AccompanyingCourseType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder->add('closingDate', ChillDateType::class,
+        [
+            'required' => true,
+        ]);
+
+        $builder->add('closingMotive', ClosingMotivePickerType::class);
+    }
+}
\ No newline at end of file
diff --git a/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/close.html.twig b/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/close.html.twig
new file mode 100644
index 000000000..f0c819b35
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/close.html.twig
@@ -0,0 +1,28 @@
+{% extends "@ChillPerson/AccompanyingCourse/layout.html.twig"  %}
+
+{% block content %}
+    <h1>{{ "Close accompanying course"|trans }}</h1>
+
+    {{ form_start(form) }}
+
+    {{ form_row(form.closingDate) }}
+    {{ form_row(form.closingMotive) }}
+
+    {% set accompanying_course_id = null %}
+    {% if accompanyingCourse %}
+        {% set accompanying_course_id = accompanyingCourse.id %}
+    {% endif %}
+
+        <ul class="record_actions sticky-form-buttons">
+            <li class="cancel">
+                <a href="{{ chill_return_path_or('chill_person_accompanying_course_index',  {'accompanying_period_id' : accompanyingCourse.id}) }}" class="btn btn-cancel">
+                    {{ 'Return'|trans }}
+                </a>
+            </li>
+            <li>
+                <button class="btn btn-update" type="submit">{{ 'Save'|trans }}</button>
+            </li>
+        </ul>
+
+    {{ form_end(form) }}
+{% endblock %}
\ No newline at end of file