diff --git a/src/Bundle/ChillMainBundle/Resources/views/Util/confirmation_template.html.twig b/src/Bundle/ChillMainBundle/Resources/views/Util/confirmation_template.html.twig
index 6bec0975a..1da31cfc7 100644
--- a/src/Bundle/ChillMainBundle/Resources/views/Util/confirmation_template.html.twig
+++ b/src/Bundle/ChillMainBundle/Resources/views/Util/confirmation_template.html.twig
@@ -6,14 +6,20 @@
     <p class="message-confirm">{{ confirm_question }}</p>
 {% endif %}
 
+{% if display_content is not empty %}
+    {{ display_content|raw }}
+{% endif %}
+
 {{ form_start(form) }}
 
 <ul class="record_actions sticky-form-buttons">
-    <li class="cancel">
-        <a href="{{ path(cancel_route, cancel_parameters|default( { } ) ) }}" class="btn btn-cancel">
-            {{ 'Cancel'|trans }}
-        </a>
-    </li>
+    {% if cancel_route is defined %}
+        <li class="cancel">
+            <a href="{{ chill_path_forward_return_path(cancel_route, cancel_parameters|default( { } ) ) }}" class="btn btn-cancel">
+                {{ 'Cancel'|trans }}
+            </a>
+        </li>
+    {% endif %}
     <li>
         {{ form_widget(form.submit, { 'attr' : { 'class' : "btn btn-delete" } } ) }}
     </li>
diff --git a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseCommentController.php b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseCommentController.php
index 06f0aa2b0..de038de3a 100644
--- a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseCommentController.php
+++ b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseCommentController.php
@@ -13,20 +13,41 @@ namespace Chill\PersonBundle\Controller;
 
 use Chill\PersonBundle\Entity\AccompanyingPeriod;
 use Chill\PersonBundle\Form\AccompanyingCourseCommentType;
+use Chill\PersonBundle\Security\Authorization\AccompanyingPeriodCommentVoter;
+use Chill\PersonBundle\Security\Authorization\AccompanyingPeriodVoter;
+use Doctrine\ORM\EntityManagerInterface;
+use LogicException;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
-use Symfony\Component\Form\Extension\Core\Type\HiddenType;
+use Symfony\Component\Form\Extension\Core\Type\FormType;
 use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\FormFactoryInterface;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
-use Symfony\Component\Routing\Annotation\Route;
 
-use function array_key_exists;
+use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Contracts\Translation\TranslatorInterface;
 
 class AccompanyingCourseCommentController extends AbstractController
 {
+    private EntityManagerInterface $entityManager;
+
+    private FormFactoryInterface $formFactory;
+
+    private TranslatorInterface $translator;
+
+    public function __construct(
+        EntityManagerInterface $entityManager,
+        FormFactoryInterface $formFactory,
+        TranslatorInterface $translator
+    ) {
+        $this->entityManager = $entityManager;
+        $this->formFactory = $formFactory;
+        $this->translator = $translator;
+    }
+
     /**
      * Page of comments in Accompanying Course section.
      *
@@ -35,107 +56,139 @@ class AccompanyingCourseCommentController extends AbstractController
      */
     public function commentAction(AccompanyingPeriod $accompanyingCourse, Request $request): Response
     {
-        $newComment = new AccompanyingPeriod\Comment();
-        $newComment->setAccompanyingPeriod($accompanyingCourse);
+        $this->denyAccessUnlessGranted(AccompanyingPeriodVoter::SEE_DETAILS, $accompanyingCourse);
 
-        $form = $this->createCommentForm($newComment, 'new');
-        $editForm = null;
+        $em = $this->getDoctrine()->getManager();
+        $afterSuccessfulRedirectResponse = $this->redirectToRoute('chill_person_accompanying_period_comment_list', [
+            'accompanying_period_id' => $accompanyingCourse->getId(),
+        ]);
 
-        if ($request->query->has('edit')) {
+        if ($request->query->has('edit') && $this->isGranted(AccompanyingPeriodVoter::EDIT, $accompanyingCourse)) {
             foreach ($accompanyingCourse->getComments() as $comment) {
                 if ($comment->getId() === $request->query->getInt('edit')) {
                     $editForm = $this->createCommentForm($comment, 'edit');
                     $commentEditId = $comment->getId();
+                    $commentEdited = $comment;
                 }
             }
             $pinnedComment = $accompanyingCourse->getPinnedComment();
 
-            if ($pinnedComment->getId() === $request->query->getInt('edit')) {
+            if (null !== $pinnedComment && $pinnedComment->getId() === $request->query->getInt('edit')) {
                 $editForm = $this->createCommentForm($pinnedComment, 'edit');
                 $commentEditId = $pinnedComment->getId();
+                $commentEdited = $pinnedComment;
+            }
+
+            if (!isset($editForm)) {
+                throw new NotFoundHttpException('comment with id ' . $request->query->getInt('edit') . ' is not found');
+            }
+
+            if (isset($commentEdited)) {
+                $this->denyAccessUnlessGranted(AccompanyingPeriodCommentVoter::EDIT, $commentEdited);
+            } else {
+                throw new LogicException('at this step, commentEdited should be set');
+            }
+
+            $editForm->handleRequest($request);
+
+            if ($editForm->isSubmitted() && $editForm->isValid()) {
+                $em->flush();
+
+                return $afterSuccessfulRedirectResponse;
+            }
+
+            if ($editForm->isSubmitted() && !$editForm->isValid()) {
+                $this->addFlash('error', $this->translator->trans('This form contains errors'));
             }
         }
 
-        dump($editForm);
-        //if (null === $editForm) {
-        //    throw new NotFoundHttpException('Unable to find an edit form.');
-        //}
+        if ($this->isGranted(AccompanyingPeriodVoter::EDIT, $accompanyingCourse)) {
+            $newComment = new AccompanyingPeriod\Comment();
+            $newComment->setAccompanyingPeriod($accompanyingCourse);
 
-        if ($request->getMethod() === Request::METHOD_POST) {
-            $currentForm = $editForm->handleRequest($request);
+            $newForm = $this->createCommentForm($newComment, 'new');
+            $newForm->handleRequest($request);
 
-            if (array_key_exists('edit', $request->request->all()[$editForm->getName()])) {
-                $isEditingNew = false;
-            } else {
-                $isEditingNew = true;
-            }
-
-            if ($currentForm->isSubmitted() && $currentForm->isValid()) {
-                $em = $this->getDoctrine()->getManager();
-
-                if ($isEditingNew) {
-                    $em->persist($newComment);
-                }
+            if ($newForm->isSubmitted() && $newForm->isValid()) {
+                $em->persist($newComment);
                 $em->flush();
-            }
 
-            return $this->redirectToRoute('chill_person_accompanying_period_comment_list', [
-                'accompanying_period_id' => $accompanyingCourse->getId(),
-            ]);
+                return $afterSuccessfulRedirectResponse;
+            }
         }
 
         return $this->render('@ChillPerson/AccompanyingCourse/Comment/index.html.twig', [
             'accompanyingCourse' => $accompanyingCourse,
-            'form' => $form->createView(),
-            'edit_form' => null !== $editForm ? $editForm->createView() : null,
+            'form' => isset($newForm) ? $newForm->createView() : null,
+            'edit_form' => isset($editForm) ? $editForm->createView() : null,
             'commentEditId' => $commentEditId ?? null,
         ]);
     }
 
+    /**
+     * Delete an existing comment.
+     *
+     * @Route(
+     *     "/{_locale}/parcours/comment/{id}/delete",
+     *     name="chill_person_accompanying_period_comment_delete"
+     * )
+     */
+    public function deleteAction(AccompanyingPeriod\Comment $comment, Request $request): Response
+    {
+        $this->denyAccessUnlessGranted(AccompanyingPeriodCommentVoter::DELETE, $comment);
+
+        $form = $this->createForm(FormType::class, []);
+        $form->add('submit', SubmitType::class, ['label' => 'Confirm']);
+
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            $this->entityManager->remove($comment);
+
+            if ($comment->getAccompanyingPeriod()->getPinnedComment() === $comment) {
+                $comment->getAccompanyingPeriod()->setPinnedComment(null);
+            }
+
+            $this->entityManager->flush();
+
+            $this->addFlash('success', $this->translator->trans('accompanying_course_comment.Comment removed'));
+
+            return $this->redirect(
+                $request->query->has('returnPath') ? $request->query->get('returnPath') :
+                        $this->generateUrl('chill_person_accompanying_period_comment_list', [
+                            'accompanying_period_id' => $comment->getAccompanyingPeriod()->getId(),
+                        ])
+            );
+        }
+
+        return $this->render('@ChillPerson/AccompanyingCourse/Comment/confirm_delete.html.twig', [
+            'comment' => $comment,
+            'delete_form' => $form->createView(),
+            'accompanyingCourse' => $comment->getAccompanyingPeriod(),
+        ]);
+    }
+
+    /**
+     * @Route("/{_locale}/parcours/comment/{id}/pin", name="chill_person_accompanying_period_comment_pin")
+     */
+    public function pinComment(AccompanyingPeriod\Comment $comment): Response
+    {
+        $this->denyAccessUnlessGranted(AccompanyingPeriodVoter::EDIT, $comment->getAccompanyingPeriod());
+
+        $comment->getAccompanyingPeriod()->setPinnedComment($comment);
+
+        $this->getDoctrine()->getManager()->flush();
+
+        $this->addFlash('success', $this->translator->trans('accompanying_course.comment is pinned'));
+
+        return $this->redirectToRoute('chill_person_accompanying_period_comment_list', [
+            'accompanying_period_id' => $comment->getAccompanyingPeriod()->getId(),
+        ]);
+    }
+
     private function createCommentForm(AccompanyingPeriod\Comment $comment, string $step): FormInterface
     {
-        $form = $this->createForm(AccompanyingCourseCommentType::class, $comment);
-
-        if ('edit' === $step) {
-            $form->add('edit', HiddenType::class, ['mapped' => false]);
-        }
-
-        return $form;
+        return $this->formFactory->createNamed($step, AccompanyingCourseCommentType::class, $comment);
     }
 
-////////////// building
-///
-//    /**
-//     * Delete an existing comment
-//     *
-//     * @Route(
-//     *     "/{_locale}/parcours/{accompanying_period_id}/comment/{comment_id}/delete",
-//     *     name="chill_person_accompanying_period_comment_delete"
-//     * )
-//     * @ParamConverter("accompanyingCourse", options={"id": "accompanying_period_id"})
-//     * @ParamConverter("comment", options={"id": "comment_id"})
-//     */
-//    public function deleteAction(AccompanyingPeriod $accompanyingCourse, AccompanyingPeriod\Comment $comment, Request $request)
-//    {
-//        $form = $this->createDeleteForm($comment->getId(), $accompanyingCourse);
-//
-//        return $this->render('@ChillPerson/AccompanyingCourse/Comment/confirm_delete.html.twig', [
-//            'comment' => $comment,
-//            'delete_form' => $form->createView(),
-//            'accompanyingCourse' => $accompanyingCourse,
-//        ]);
-//    }
-//
-//    private function createDeleteForm(int $id, ?AccompanyingPeriod $accompanyingCourse): FormInterface
-//    {
-//        $form = $this->createForm($type);
-//
-//        return $this->createFormBuilder()
-//            ->setAction($this->generateUrl('chill_person_accompanying_period_comment_delete', $params))
-//            ->setMethod('DELETE')
-//            ->add('submit', SubmitType::class, ['label' => 'Delete'])
-//            ->getForm();
-//    }
-//
-//// end
 }
diff --git a/src/Bundle/ChillPersonBundle/Form/AccompanyingCourseCommentType.php b/src/Bundle/ChillPersonBundle/Form/AccompanyingCourseCommentType.php
index b123a4c4d..fc7dc97a3 100644
--- a/src/Bundle/ChillPersonBundle/Form/AccompanyingCourseCommentType.php
+++ b/src/Bundle/ChillPersonBundle/Form/AccompanyingCourseCommentType.php
@@ -24,7 +24,9 @@ class AccompanyingCourseCommentType extends AbstractType
      */
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
-        $builder->add('content', ChillTextareaType::class, []);
+        $builder->add('content', ChillTextareaType::class, [
+            'required' => false,
+        ]);
     }
 
     /**
diff --git a/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/confirm_delete.html.twig b/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/confirm_delete.html.twig
index ecef5e271..375492905 100644
--- a/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/confirm_delete.html.twig
+++ b/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/confirm_delete.html.twig
@@ -1,20 +1,19 @@
-{# WIP
+{% extends "@ChillPerson/AccompanyingCourse/layout.html.twig"  %}
 
-{% extends "@ChillPerson/Person/layout.html.twig"  %}
+{% block title  'accompanying_course_comment.Remove comment'|trans %}
 
-{% set person = activity.person %}
+{% block display_content %}
+    <blockquote class="chill-user-quote col">{{ comment.content|chill_markdown_to_html }}</blockquote>
+{% endblock %}
 
-{% block title  'Remove comment'|trans %}
-
-{% block personcontent %}
+{% block content %}
     {{ include('@ChillMain/Util/confirmation_template.html.twig',
         {
-            'title'             : 'Remove comment'|trans,
-            'confirm_question'  : 'Are you sure you want to remove comment ?'|trans,
-            'cancel_route'      : 'chill_activity_activity_list',
-            'cancel_parameters' : { 'person_id' : activity.person.id, 'id' : activity.id },
+            'title'             : 'accompanying_course_comment.Remove comment'|trans,
+            'confirm_question'  : 'accompanying_course_comment.Are you sure you want to remove comment ?'|trans,
+            'cancel_route'      : 'chill_person_accompanying_period_comment_list',
+            'cancel_parameters' : { 'accompanying_period_id': comment.accompanyingPeriod.id },
+            'display_content'   : block('display_content'),
             'form'              : delete_form
         } ) }}
 {% endblock %}
-
-#}
diff --git a/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/index.html.twig b/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/index.html.twig
index 5af407d2b..cbebe5364 100644
--- a/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/index.html.twig
+++ b/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/index.html.twig
@@ -10,21 +10,27 @@
     {% if isPinned is defined and isPinned == 'true' %}
     {% else %}
         <li>
-            <button class="btn btn-sm btn-misc" type="button">
-                <i class="fa fa-flag fa-fw"></i>{{ 'Pin comment'|trans }}
-            </button>
+            <form method="post" action="{{ chill_path_forward_return_path('chill_person_accompanying_period_comment_pin', {'id': comment.id}) }}">
+                <button class="btn btn-sm btn-misc" type="submit">
+                    <i class="fa fa-flag fa-fw"></i>{{ 'Pin comment'|trans }}
+                </button>
+            </form>
+        </li>
+    {% endif %}
+    {% if is_granted('CHILL_PERSON_ACCOMPANYING_PERIOD_COMMENT_EDIT', comment) %}
+        <li>
+            <a class="btn btn-sm btn-edit" title="{{ 'Edit'|trans }}" href="{{ path('chill_person_accompanying_period_comment_list',  {
+                '_fragment': 'comment-' ~ comment.id,
+                'edit': comment.id,
+                'accompanying_period_id': comment.accompanyingPeriod.id
+            }) }}"></a>
+        </li>
+    {% endif %}
+    {% if is_granted('CHILL_PERSON_ACCOMPANYING_PERIOD_COMMENT_DELETE', comment) %}
+        <li>
+            <a class="btn btn-sm btn-delete" title="{{ 'Delete'|trans }}" href="{{ path('chill_person_accompanying_period_comment_delete', {'id': comment.id}) }}"></a>
         </li>
     {% endif %}
-    <li>
-        <a class="btn btn-sm btn-edit" title="{{ 'Edit'|trans }}" href="{{ path('chill_person_accompanying_period_comment_list',  {
-            '_fragment': 'comment-' ~ comment.id,
-            'edit': comment.id,
-            'accompanying_period_id': comment.accompanyingPeriod.id
-        }) }}"></a>
-    </li>
-    <li>
-        <a class="btn btn-sm btn-delete" title="{{ 'Delete'|trans }}" href=""></a>
-    </li>
 {% endmacro %}
 
 {% macro form_comment(type, form) %}
@@ -75,9 +81,12 @@
             {% endif %}
         {% endfor %}
     </div>
-    <div class="new-comment my-5">
-        <h2 class="chill-blue">{{ 'Write a new comment'|trans }}</h2>
-        {{ _self.form_comment('new', form) }}
-    </div>
+
+    {% if form is not null %}
+        <div class="new-comment my-5">
+            <h2 class="chill-blue">{{ 'Write a new comment'|trans }}</h2>
+            {{ _self.form_comment('new', form) }}
+        </div>
+    {% endif %}
 </div>
 {% endblock %}
diff --git a/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/macro_showItem.html.twig b/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/macro_showItem.html.twig
index 3bf4b98ff..8812dcdae 100644
--- a/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/macro_showItem.html.twig
+++ b/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingCourse/Comment/macro_showItem.html.twig
@@ -22,6 +22,3 @@
         </div>
     </div>
 {% endmacro %}
-{#
-    TODO if shared, move this file in Main, out of AccompanyingCourse
-#}
diff --git a/src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodCommentVoter.php b/src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodCommentVoter.php
new file mode 100644
index 000000000..37a6ec6ac
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodCommentVoter.php
@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * 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.
+ */
+
+declare(strict_types=1);
+
+namespace Chill\PersonBundle\Security\Authorization;
+
+use Chill\PersonBundle\Entity\AccompanyingPeriod\Comment;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\Voter\Voter;
+use UnexpectedValueException;
+
+class AccompanyingPeriodCommentVoter extends Voter
+{
+    public const DELETE = 'CHILL_PERSON_ACCOMPANYING_PERIOD_COMMENT_DELETE';
+
+    public const EDIT = 'CHILL_PERSON_ACCOMPANYING_PERIOD_COMMENT_EDIT';
+
+    protected function supports($attribute, $subject)
+    {
+        return $subject instanceof Comment;
+    }
+
+    protected function voteOnAttribute($attribute, $subject, TokenInterface $token)
+    {
+        /** @var Comment $subject */
+        switch ($attribute) {
+            case self::EDIT:
+            case self::DELETE:
+                return $subject->getCreator() === $token->getUser();
+
+            default:
+                throw new UnexpectedValueException("This attribute {$attribute} is not supported");
+        }
+    }
+}
diff --git a/src/Bundle/ChillPersonBundle/config/services/security.yaml b/src/Bundle/ChillPersonBundle/config/services/security.yaml
index 6dc3c92d3..1d88a0be2 100644
--- a/src/Bundle/ChillPersonBundle/config/services/security.yaml
+++ b/src/Bundle/ChillPersonBundle/config/services/security.yaml
@@ -12,3 +12,7 @@ services:
             - { name: security.voter }
             - { name: chill.role }
 
+    Chill\PersonBundle\Security\Authorization\AccompanyingPeriodCommentVoter:
+        autowire: true
+        tags:
+            - { name: security.voter }
diff --git a/src/Bundle/ChillPersonBundle/translations/messages.fr.yml b/src/Bundle/ChillPersonBundle/translations/messages.fr.yml
index d4d90b452..5d0e2b16a 100644
--- a/src/Bundle/ChillPersonBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillPersonBundle/translations/messages.fr.yml
@@ -413,6 +413,7 @@ Locate by: Localiser auprès de
 fix it: Compléter
 accompanying_course:
     administrative_location: Localisation administrative
+    comment is pinned: Le commentaire est épinglé
 
 # Accompanying Course comments
 Accompanying Course Comment: Commentaire
@@ -422,6 +423,10 @@ Pin comment: Épingler
 Post a new comment: Poster un nouveau commentaire
 Write a new comment: Écrire un nouveau commentaire
 Edit a comment: Modifier le commentaire
+accompanying_course_comment:
+    Comment removed: Commentaire supprimé
+    Remove comment: Supprimer le commentaire
+    Are you sure you want to remove comment ?: Étes-vous sûr de vouloir supprimer ce commentaire ?
 
 # Household
 Household: Ménage