diff --git a/CHANGELOG.md b/CHANGELOG.md
index bfb349b2e..53339485c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ and this project adheres to
 
 <!-- write down unreleased development here -->
 * [person] suggest entities (person | thirdparty) when creating/editing the accompanying course (https://gitlab.com/champs-libres/departement-de-la-vendee/accent-suivi-developpement/-/issues/119)
+* [activity] add custom validation on the Activity class, based on what is required from the ActivityType (https://gitlab.com/champs-libres/departement-de-la-vendee/accent-suivi-developpement/-/issues/188)
 * [main] translate multiselect messages when selecting/creating address
 * [main] set the coordinates of the city when creating a new address OR choosing "pas d'adresse complète"
 * Use the user.label in accompanying course banner, instead of username;
@@ -21,7 +22,10 @@ and this project adheres to
 * [activity] check ACL on activity list in person context
 * [list for accompanying course in person] filter list using ACL
 * [validation] toasts are displayed for errors when modifying accompanying course (generalization required).
+* [period] only the user can enable confidentiality
 * add an endpoint for checking permissions. See https://gitlab.com/Chill-Projet/chill-bundles/-/merge_requests/232
+* [activity] for a new activity: suggest and create on-the-fly locations based on the accompanying course location + location of the suggested parties
+* [calendar] for a new rdv: suggest and create on-the-fly locations based on the accompanying course location + location of the suggested parties
 
 ## Test releases
 
diff --git a/phpstan-critical.neon b/phpstan-critical.neon
index 6147f2022..b214654bf 100644
--- a/phpstan-critical.neon
+++ b/phpstan-critical.neon
@@ -70,11 +70,6 @@ parameters:
             count: 1
             path: src/Bundle/ChillPersonBundle/Serializer/Normalizer/MembersEditorNormalizer.php
 
-        -
-            message: "#^Undefined variable\\: \\$value$#"
-            count: 1
-            path: src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/LocationValidityValidator.php
-
         -
             message: "#^Undefined variable\\: \\$choiceSlug$#"
             count: 1
diff --git a/src/Bundle/ChillActivityBundle/Controller/ActivityController.php b/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
index f4248b5e8..0f725c2b3 100644
--- a/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
+++ b/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
@@ -137,7 +137,7 @@ final class ActivityController extends AbstractController
                             static fn (ActivityReason $ar): int => $ar->getId()
                         )
                         ->toArray(),
-                    'type_id' => $activity->getType()->getId(),
+                    'type_id' => $activity->getActivityType()->getId(),
                     'duration' => $activity->getDurationTime() ? $activity->getDurationTime()->format('U') : null,
                     'date' => $activity->getDate()->format('Y-m-d'),
                     'attendee' => $activity->getAttendee(),
@@ -194,7 +194,7 @@ final class ActivityController extends AbstractController
         $form = $this->createForm(ActivityType::class, $entity, [
             'center' => $entity->getCenter(),
             'role' => new Role('CHILL_ACTIVITY_UPDATE'),
-            'activityType' => $entity->getType(),
+            'activityType' => $entity->getActivityType(),
             'accompanyingPeriod' => $accompanyingPeriod,
         ])->handleRequest($request);
 
@@ -327,7 +327,7 @@ final class ActivityController extends AbstractController
             $entity->setAccompanyingPeriod($accompanyingPeriod);
         }
 
-        $entity->setType($activityType);
+        $entity->setActivityType($activityType);
         $entity->setDate(new DateTime('now'));
 
         if ($request->query->has('activityData')) {
@@ -385,7 +385,7 @@ final class ActivityController extends AbstractController
         $form = $this->createForm(ActivityType::class, $entity, [
             'center' => $entity->getCenter(),
             'role' => new Role('CHILL_ACTIVITY_CREATE'),
-            'activityType' => $entity->getType(),
+            'activityType' => $entity->getActivityType(),
             'accompanyingPeriod' => $accompanyingPeriod,
         ])->handleRequest($request);
 
@@ -408,7 +408,7 @@ final class ActivityController extends AbstractController
 
         $activity_array = $this->serializer->normalize($entity, 'json', ['groups' => 'read']);
 
-        $defaultLocationId = $this->getUser()->getCurrentLocation()->getId();
+        $defaultLocation = $this->getUser()->getCurrentLocation();
 
         return $this->render($view, [
             'person' => $person,
@@ -416,7 +416,7 @@ final class ActivityController extends AbstractController
             'entity' => $entity,
             'form' => $form->createView(),
             'activity_json' => $activity_array,
-            'default_location_id' => $defaultLocationId,
+            'default_location' => $defaultLocation,
         ]);
     }
 
diff --git a/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeController.php b/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeController.php
index 140a0b855..81c978bf2 100644
--- a/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeController.php
+++ b/src/Bundle/ChillActivityBundle/Controller/AdminActivityTypeController.php
@@ -23,6 +23,7 @@ class AdminActivityTypeController extends CRUDController
     protected function orderQuery(string $action, $query, Request $request, PaginatorInterface $paginator)
     {
         /** @var \Doctrine\ORM\QueryBuilder $query */
-        return $query->orderBy('e.ordering', 'ASC');
+        return $query->orderBy('e.ordering', 'ASC')
+            ->addOrderBy('e.id', 'ASC');
     }
 }
diff --git a/src/Bundle/ChillActivityBundle/Entity/Activity.php b/src/Bundle/ChillActivityBundle/Entity/Activity.php
index 85abed5e5..c63ce90f7 100644
--- a/src/Bundle/ChillActivityBundle/Entity/Activity.php
+++ b/src/Bundle/ChillActivityBundle/Entity/Activity.php
@@ -9,6 +9,7 @@
 
 namespace Chill\ActivityBundle\Entity;
 
+use Chill\ActivityBundle\Validator\Constraints as ActivityValidator;
 use Chill\DocStoreBundle\Entity\Document;
 use Chill\MainBundle\Entity\Center;
 use Chill\MainBundle\Entity\Embeddable\CommentEmbeddable;
@@ -41,6 +42,7 @@ use Symfony\Component\Serializer\Annotation\SerializedName;
  * @DiscriminatorMap(typeProperty="type", mapping={
  *     "activity": Activity::class
  * })
+ * @ActivityValidator\ActivityValidity
  */
 
 /*
@@ -202,7 +204,9 @@ class Activity implements HasCenterInterface, HasScopeInterface, AccompanyingPer
     public function addPerson(?Person $person): self
     {
         if (null !== $person) {
-            $this->persons[] = $person;
+            if (!$this->persons->contains($person)) {
+                $this->persons[] = $person;
+            }
         }
 
         return $this;
@@ -236,7 +240,9 @@ class Activity implements HasCenterInterface, HasScopeInterface, AccompanyingPer
     public function addThirdParty(?ThirdParty $thirdParty): self
     {
         if (null !== $thirdParty) {
-            $this->thirdParties[] = $thirdParty;
+            if (!$this->thirdParties->contains($thirdParty)) {
+                $this->thirdParties[] = $thirdParty;
+            }
         }
 
         return $this;
@@ -245,7 +251,9 @@ class Activity implements HasCenterInterface, HasScopeInterface, AccompanyingPer
     public function addUser(?User $user): self
     {
         if (null !== $user) {
-            $this->users[] = $user;
+            if (!$this->users->contains($user)) {
+                $this->users[] = $user;
+            }
         }
 
         return $this;
diff --git a/src/Bundle/ChillActivityBundle/Entity/ActivityType.php b/src/Bundle/ChillActivityBundle/Entity/ActivityType.php
index 0e9b1150a..4cb4250b5 100644
--- a/src/Bundle/ChillActivityBundle/Entity/ActivityType.php
+++ b/src/Bundle/ChillActivityBundle/Entity/ActivityType.php
@@ -12,6 +12,7 @@ namespace Chill\ActivityBundle\Entity;
 use Doctrine\ORM\Mapping as ORM;
 use InvalidArgumentException;
 use Symfony\Component\Serializer\Annotation\Groups;
+use Symfony\Component\Validator\Constraints as Assert;
 
 /**
  * Class ActivityType.
@@ -29,11 +30,13 @@ class ActivityType
     public const FIELD_REQUIRED = 2;
 
     /**
+     * @deprecated not in use
      * @ORM\Column(type="string", nullable=false, options={"default": ""})
      */
     private string $accompanyingPeriodLabel = '';
 
     /**
+     * @deprecated not in use
      * @ORM\Column(type="smallint", nullable=false, options={"default": 1})
      */
     private int $accompanyingPeriodVisible = self::FIELD_INVISIBLE;
@@ -195,16 +198,21 @@ class ActivityType
 
     /**
      * @ORM\Column(type="smallint", nullable=false, options={"default": 1})
+     * @Assert\EqualTo(propertyPath="socialIssuesVisible", message="This parameter must be equal to social issue parameter")
      */
     private int $socialActionsVisible = self::FIELD_INVISIBLE;
 
     /**
      * @ORM\Column(type="string", nullable=false, options={"default": ""})
+     *
+     * @deprecated not in use
      */
     private string $socialDataLabel = '';
 
     /**
      * @ORM\Column(type="smallint", nullable=false, options={"default": 1})
+     *
+     * @deprecated not in use
      */
     private int $socialDataVisible = self::FIELD_INVISIBLE;
 
@@ -260,16 +268,6 @@ class ActivityType
      */
     private int $userVisible = self::FIELD_REQUIRED;
 
-    public function getAccompanyingPeriodLabel(): string
-    {
-        return $this->accompanyingPeriodLabel;
-    }
-
-    public function getAccompanyingPeriodVisible(): int
-    {
-        return $this->accompanyingPeriodVisible;
-    }
-
     /**
      * Get active
      * return true if the type is active.
@@ -446,16 +444,6 @@ class ActivityType
         return $this->socialActionsVisible;
     }
 
-    public function getSocialDataLabel(): string
-    {
-        return $this->socialDataLabel;
-    }
-
-    public function getSocialDataVisible(): int
-    {
-        return $this->socialDataVisible;
-    }
-
     public function getSocialIssuesLabel(): ?string
     {
         return $this->socialIssuesLabel;
@@ -537,20 +525,6 @@ class ActivityType
         return self::FIELD_INVISIBLE !== $this->{$property};
     }
 
-    public function setAccompanyingPeriodLabel(string $accompanyingPeriodLabel): self
-    {
-        $this->accompanyingPeriodLabel = $accompanyingPeriodLabel;
-
-        return $this;
-    }
-
-    public function setAccompanyingPeriodVisible(int $accompanyingPeriodVisible): self
-    {
-        $this->accompanyingPeriodVisible = $accompanyingPeriodVisible;
-
-        return $this;
-    }
-
     /**
      * Set active
      * set to true if the type is active.
@@ -768,20 +742,6 @@ class ActivityType
         return $this;
     }
 
-    public function setSocialDataLabel(string $socialDataLabel): self
-    {
-        $this->socialDataLabel = $socialDataLabel;
-
-        return $this;
-    }
-
-    public function setSocialDataVisible(int $socialDataVisible): self
-    {
-        $this->socialDataVisible = $socialDataVisible;
-
-        return $this;
-    }
-
     public function setSocialIssuesLabel(string $socialIssuesLabel): self
     {
         $this->socialIssuesLabel = $socialIssuesLabel;
diff --git a/src/Bundle/ChillActivityBundle/Form/ActivityTypeType.php b/src/Bundle/ChillActivityBundle/Form/ActivityTypeType.php
index 300be5c4c..682d73aaf 100644
--- a/src/Bundle/ChillActivityBundle/Form/ActivityTypeType.php
+++ b/src/Bundle/ChillActivityBundle/Form/ActivityTypeType.php
@@ -56,7 +56,7 @@ class ActivityTypeType extends AbstractType
             'persons', 'user', 'date', 'place', 'persons',
             'thirdParties', 'durationTime', 'travelTime', 'attendee',
             'reasons', 'comment', 'sentReceived', 'documents',
-            'emergency', 'accompanyingPeriod', 'socialData', 'users',
+            'emergency', 'socialIssues', 'socialActions', 'users',
         ];
 
         foreach ($fields as $field) {
diff --git a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/App.vue b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/App.vue
index 52454c2f7..2fb9d022d 100644
--- a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/App.vue
+++ b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/App.vue
@@ -1,7 +1,7 @@
 <template>
-   <concerned-groups></concerned-groups>
-   <social-issues-acc></social-issues-acc>
-   <location></location>
+   <concerned-groups v-if="hasPerson"></concerned-groups>
+   <social-issues-acc v-if="hasSocialIssues"></social-issues-acc>
+   <location v-if="hasLocation"></location>
 </template>
 
 <script>
@@ -11,6 +11,7 @@ import Location from './components/Location.vue';
 
 export default {
    name: "App",
+    props: ['hasSocialIssues', 'hasLocation', 'hasPerson'],
    components: {
       ConcernedGroups,
       SocialIssuesAcc,
diff --git a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/api.js b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/api.js
index 9dab14ef1..8d4bcac3b 100644
--- a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/api.js
+++ b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/api.js
@@ -1,4 +1,5 @@
 import { getSocialIssues } from 'ChillPersonAssets/vuejs/AccompanyingCourse/api.js';
+import { fetchResults } from 'ChillMainAssets/lib/api/apiMethods';
 
 /*
 *  Load socialActions by socialIssue (id)
@@ -12,33 +13,20 @@ const getSocialActionByIssue = (id) => {
       });
 };
 
-/*
-*   Load Locations
- */
-const getLocations = () => {
-    const url = `/api/1.0/main/location.json`;
-    return fetch(url)
-        .then(response => {
-            if (response.ok) { return response.json(); }
-            throw Error('Error with request resource response');
-        });
-};
+const getLocations = () => fetchResults('/api/1.0/main/location.json');
+
+const getLocationTypes = () => fetchResults('/api/1.0/main/location-type.json');
 
 /*
-*   Load Location Types
+*   Load Location Type by defaultFor
+*   @param {string} entity - can be "person" or "thirdparty"
  */
-const getLocationTypes = () => {
-    const url = `/api/1.0/main/location-type.json`;
-    return fetch(url)
-        .then(response => {
-            if (response.ok) { return response.json(); }
-            throw Error('Error with request resource response');
-        });
+const getLocationTypeByDefaultFor = (entity) => {
+    return getLocationTypes().then(results =>
+        results.filter(t => t.defaultFor === entity)[0]
+    );
 };
 
-/*
-*   Post a Location
- */
 const postLocation = (body) => {
     const url = `/api/1.0/main/location.json`;
     return fetch(url, {
@@ -59,5 +47,6 @@ export {
    getSocialActionByIssue,
    getLocations,
    getLocationTypes,
+   getLocationTypeByDefaultFor,
    postLocation
 };
diff --git a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/components/Location.vue b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/components/Location.vue
index 5fa3360b7..9a4b78334 100644
--- a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/components/Location.vue
+++ b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/components/Location.vue
@@ -2,10 +2,9 @@
     <teleport to="#location">
         <div class="mb-3 row">
             <label class="col-form-label col-sm-4">
-                {{ $t('activity.location') }}
+                {{ $t("activity.location") }}
             </label>
             <div class="col-sm-8">
-
                 <VueMultiselect
                     name="selectLocation"
                     id="selectLocation"
@@ -17,7 +16,10 @@
                     :placeholder="$t('activity.choose_location')"
                     :custom-label="customLabel"
                     :options="locations"
-                    v-model="location">
+                    group-values="locations"
+                    group-label="locationGroup"
+                    v-model="location"
+                >
                 </VueMultiselect>
 
                 <new-location v-bind:locations="locations"></new-location>
@@ -27,49 +29,146 @@
 </template>
 
 <script>
-import { mapState } from "vuex";
-import VueMultiselect from 'vue-multiselect';
-import NewLocation from './Location/NewLocation.vue';
-import { getLocations } from '../api.js';
+import { mapState, mapGetters } from "vuex";
+import VueMultiselect from "vue-multiselect";
+import NewLocation from "./Location/NewLocation.vue";
+import { getLocations, getLocationTypeByDefaultFor } from "../api.js";
 
 export default {
     name: "Location",
     components: {
         NewLocation,
-        VueMultiselect
+        VueMultiselect,
     },
     data() {
         return {
-            locations: []
-        }
+            locations: [],
+        };
     },
     computed: {
-        ...mapState(['activity']),
+        ...mapState(["activity"]),
+        ...mapGetters(["suggestedEntities"]),
         location: {
             get() {
                 return this.activity.location;
             },
             set(value) {
-                this.$store.dispatch('updateLocation', value);
-            }
-        }
+                this.$store.dispatch("updateLocation", value);
+            },
+        },
     },
     mounted() {
-        getLocations().then(response => new Promise(resolve => {
-            console.log('getLocations', response);
-            this.locations = response.results;
-            if (window.default_location_id) {
-                let location = this.locations.filter(l => l.id === window.default_location_id);
-                this.$store.dispatch('updateLocation', location);
-            }
-            resolve();
-        }))
+        getLocations().then(
+            (results) => {
+                getLocationTypeByDefaultFor('person').then(
+                    (personLocationType) => {
+                        if (personLocationType) {
+                            const personLocation = this.makeAccompanyingPeriodLocation(personLocationType);
+                            const concernedPersonsLocation =
+                                this.makeConcernedPersonsLocation(personLocationType);
+                            getLocationTypeByDefaultFor('thirdparty').then(
+                                thirdpartyLocationType => {
+                                    const concernedThirdPartiesLocation =
+                                        this.makeConcernedThirdPartiesLocation(thirdpartyLocationType);
+                                    this.locations = [
+                                        {
+                                            locationGroup: 'Localisation du parcours',
+                                            locations: [personLocation]
+                                        },
+                                        {
+                                            locationGroup: 'Parties concernées',
+                                            locations: [...concernedPersonsLocation, ...concernedThirdPartiesLocation]
+                                        },
+                                        {
+                                            locationGroup: 'Autres localisations',
+                                            locations: results
+                                        }
+                                    ];
+                                }
+                            )
+                        } else {
+                            this.locations = [
+                                {
+                                    locationGroup: 'Localisations',
+                                    locations: response.results
+                                }
+                            ];
+                        }
+                        if (window.default_location_id) {
+                            let location = this.locations.filter(
+                                (l) => l.id === window.default_location_id
+                            );
+                            this.$store.dispatch("updateLocation", location);
+                        }
+                    }
+                )
+            })
     },
     methods: {
+        labelAccompanyingCourseLocation(value) {
+            return `${value.address.text} (${value.locationType.title.fr})`
+        },
         customLabel(value) {
-            return `${value.locationType.title.fr} ${value.name ? value.name : ''}`;
+            return value.locationType
+                ? value.name
+                    ? value.name === '__AccompanyingCourseLocation__'
+                        ? this.labelAccompanyingCourseLocation(value)
+                        : `${value.name} (${value.locationType.title.fr})`
+                    : value.locationType.title.fr
+                : '';
+        },
+        makeConcernedPersonsLocation(locationType) {
+            let locations = [];
+            this.suggestedEntities.forEach(
+                (e) => {
+                    if (e.type === 'person' && e.current_household_address !== null){
+                        locations.push({
+                            type: 'location',
+                            id: -this.suggestedEntities.indexOf(e)*10,
+                            onthefly: true,
+                            name: e.text,
+                            address: {
+                                id: e.current_household_address.address_id,
+                            },
+                            locationType: locationType
+                        });
+                    }
+                }
+            )
+            return locations;
+        },
+        makeConcernedThirdPartiesLocation(locationType) {
+            let locations = [];
+            this.suggestedEntities.forEach(
+                (e) => {
+                    if (e.type === 'thirdparty' && e.address !== null){
+                        locations.push({
+                            type: 'location',
+                            id: -this.suggestedEntities.indexOf(e)*10,
+                            onthefly: true,
+                            name: e.text,
+                            address: { id: e.address.address_id },
+                            locationType: locationType
+                        });
+                    }
+                }
+            )
+            return locations;
+        },
+        makeAccompanyingPeriodLocation(locationType) {
+            const accPeriodLocation = this.activity.accompanyingPeriod.location;
+            return {
+                type: 'location',
+                id: -1,
+                onthefly: true,
+                name: '__AccompanyingCourseLocation__',
+                address: {
+                    id: accPeriodLocation.address_id,
+                    text: `${accPeriodLocation.text} - ${accPeriodLocation.postcode.code} ${accPeriodLocation.postcode.name}`
+                },
+                locationType: locationType
+            }
         }
-    }
-}
-
+    },
+};
 </script>
diff --git a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/components/Location/NewLocation.vue b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/components/Location/NewLocation.vue
index 2920e15b2..35bf9a065 100644
--- a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/components/Location/NewLocation.vue
+++ b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/components/Location/NewLocation.vue
@@ -214,11 +214,9 @@ export default {
             return cond;
         },
         getLocationTypesList() {
-            getLocationTypes().then(response => new Promise(resolve => {
-                console.log('getLocationTypes', response);
-                this.locationTypes = response.results.filter(t => t.availableForUsers === true);
-                resolve();
-            }))
+            getLocationTypes().then(results => {
+                this.locationTypes = results.filter(t => t.availableForUsers === true);
+            })
         },
         openModal() {
             this.modal.showModal = true;
@@ -247,7 +245,6 @@ export default {
                 postLocation(body)
                     .then(
                         location => new Promise(resolve => {
-                            console.log('postLocation', location);
                             this.locations.push(location);
                             this.$store.dispatch('updateLocation', location);
                             resolve();
diff --git a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/index.js b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/index.js
index 1408afd37..66657df47 100644
--- a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/index.js
+++ b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/index.js
@@ -7,8 +7,19 @@ import App from './App.vue';
 
 const i18n = _createI18n(activityMessages);
 
+const hasSocialIssues = document.querySelector('#social-issues-acc') !== null;
+const hasLocation = document.querySelector('#location') !== null;
+const hasPerson = document.querySelector('#add-persons') !== null;
+
 const app = createApp({
-   template: `<app></app>`,
+   template: `<app :hasSocialIssues="hasSocialIssues", :hasLocation="hasLocation", :hasPerson="hasPerson"></app>`,
+    data() {
+       return {
+           hasSocialIssues,
+           hasLocation,
+           hasPerson,
+       };
+    }
 })
 .use(store)
 .use(i18n)
diff --git a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/store.js b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/store.js
index ef9cf3b1f..5b6297553 100644
--- a/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/store.js
+++ b/src/Bundle/ChillActivityBundle/Resources/public/vuejs/Activity/store.js
@@ -1,5 +1,6 @@
 import 'es6-promise/auto';
 import { createStore } from 'vuex';
+import { postLocation } from './api';
 
 const debug = process.env.NODE_ENV !== 'production';
 //console.log('window.activity', window.activity);
@@ -27,7 +28,6 @@ const store = createStore({
     },
     getters: {
         suggestedEntities(state) {
-            console.log(state.activity);
             if (typeof state.activity.accompanyingPeriod === "undefined") {
                 return [];
             }
@@ -303,7 +303,33 @@ const store = createStore({
             let hiddenLocation = document.getElementById(
                 "chill_activitybundle_activity_location"
             );
-            hiddenLocation.value = value.id;
+            if (value.onthefly) {
+                const body = {
+                    "type": "location",
+                    "name": value.name === '__AccompanyingCourseLocation__' ? null : value.name,
+                    "locationType": {
+                        "id": value.locationType.id,
+                        "type": "location-type"
+                    }
+                };
+                if (value.address.id) {
+                    Object.assign(body, {
+                        "address": {
+                            "id": value.address.id
+                        },
+                    })
+                }
+                postLocation(body)
+                    .then(
+                        location => hiddenLocation.value = location.id
+                    ).catch(
+                        err => {
+                            console.log(err.message);
+                        }
+                    );
+            } else {
+                hiddenLocation.value = value.id;
+            }
             commit("updateLocation", value);
         },
     },
diff --git a/src/Bundle/ChillActivityBundle/Resources/views/Activity/edit.html.twig b/src/Bundle/ChillActivityBundle/Resources/views/Activity/edit.html.twig
index e043b4d53..b3da40e96 100644
--- a/src/Bundle/ChillActivityBundle/Resources/views/Activity/edit.html.twig
+++ b/src/Bundle/ChillActivityBundle/Resources/views/Activity/edit.html.twig
@@ -28,7 +28,9 @@
     {{ form_row(edit_form.socialActions) }}
 {% endif %}
 
+{%- if edit_form.socialIssues is defined or edit_form.socialIssues is defined -%}
 <div id="social-issues-acc"></div>
+{% endif %}
 
 {%- if edit_form.reasons is defined -%}
     {{ form_row(edit_form.reasons) }}
@@ -46,9 +48,10 @@
     {%- if edit_form.users is defined -%}
         {{ form_widget(edit_form.users) }}
     {% endif %}
+
+    <div id="add-persons"></div>
 {% endif %}
 
-<div id="add-persons"></div>
 
 <h2 class="chill-red">{{ 'Activity data'|trans }}</h2>
 
diff --git a/src/Bundle/ChillActivityBundle/Resources/views/Activity/new.html.twig b/src/Bundle/ChillActivityBundle/Resources/views/Activity/new.html.twig
index 10afd77a2..62aac6d6c 100644
--- a/src/Bundle/ChillActivityBundle/Resources/views/Activity/new.html.twig
+++ b/src/Bundle/ChillActivityBundle/Resources/views/Activity/new.html.twig
@@ -29,25 +29,29 @@
     {{ form_row(form.socialActions) }}
 {% endif %}
 
-<div id="social-issues-acc"></div>
+{%- if edit_form.socialIssues is defined or edit_form.socialIssues is defined -%}
+    <div id="social-issues-acc"></div>
+{% endif %}
 
 {%- if form.reasons is defined -%}
     {{ form_row(form.reasons) }}
 {% endif %}
 
-<h2 class="chill-red">{{ 'Concerned groups'|trans }}</h2>
+{%- if edit_form.persons is defined or edit_form.thirdParties is defined or edit_form.users is defined -%}
+    <h2 class="chill-red">{{ 'Concerned groups'|trans }}</h2>
 
-{%- if form.persons is defined -%}
-    {{ form_widget(form.persons) }}
+    {%- if form.persons is defined -%}
+        {{ form_widget(form.persons) }}
+    {% endif %}
+    {%- if form.thirdParties is defined -%}
+        {{ form_widget(form.thirdParties) }}
+    {% endif %}
+    {%- if form.users is defined -%}
+        {{ form_widget(form.users) }}
+    {% endif %}
+        <div id="add-persons"></div>
+    {% endif %}
 {% endif %}
-{%- if form.thirdParties is defined -%}
-    {{ form_widget(form.thirdParties) }}
-{% endif %}
-{%- if form.users is defined -%}
-    {{ form_widget(form.users) }}
-{% endif %}
-
-<div id="add-persons"></div>
 
 <h2 class="chill-red">{{ 'Activity data'|trans }}</h2>
 
diff --git a/src/Bundle/ChillActivityBundle/Resources/views/Activity/newAccompanyingCourse.html.twig b/src/Bundle/ChillActivityBundle/Resources/views/Activity/newAccompanyingCourse.html.twig
index d8f02a37d..505d8c6cb 100644
--- a/src/Bundle/ChillActivityBundle/Resources/views/Activity/newAccompanyingCourse.html.twig
+++ b/src/Bundle/ChillActivityBundle/Resources/views/Activity/newAccompanyingCourse.html.twig
@@ -22,7 +22,7 @@
             '{{ "You are going to leave a page with unsubmitted data. Are you sure you want to leave ?"|trans }}');
         });
         window.activity = {{ activity_json|json_encode|raw }};
-        window.default_location_id = {{ default_location_id }};
+        {% if default_location is not null %}window.default_location_id = {{ default_location.id }}{% endif %};
     </script>
     {{ encore_entry_script_tags('vue_activity') }}
 {% endblock %}
diff --git a/src/Bundle/ChillActivityBundle/Resources/views/Activity/show.html.twig b/src/Bundle/ChillActivityBundle/Resources/views/Activity/show.html.twig
index a30034257..e9782b8e1 100644
--- a/src/Bundle/ChillActivityBundle/Resources/views/Activity/show.html.twig
+++ b/src/Bundle/ChillActivityBundle/Resources/views/Activity/show.html.twig
@@ -67,8 +67,8 @@
         <dd>
             {% if entity.location is not null %}
                 <p>
-                    <span>{{ entity.location.locationType.title|localize_translatable_string }}</span>
                     {{ entity.location.name }}
+                    <span> ({{ entity.location.locationType.title|localize_translatable_string }})</span>
                 </p>
                 {{ entity.location.address|chill_entity_render_box }}
             {% else %}
diff --git a/src/Bundle/ChillActivityBundle/Validator/Constraints/ActivityValidity.php b/src/Bundle/ChillActivityBundle/Validator/Constraints/ActivityValidity.php
new file mode 100644
index 000000000..6164c3c5d
--- /dev/null
+++ b/src/Bundle/ChillActivityBundle/Validator/Constraints/ActivityValidity.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.
+ */
+
+namespace Chill\ActivityBundle\Validator\Constraints;
+
+use Symfony\Component\Validator\Constraint;
+
+/**
+ * @Annotation
+ */
+class ActivityValidity extends Constraint
+{
+    public const IS_REQUIRED_MESSAGE = ' is required';
+
+    public const ROOT_MESSAGE = 'For this type of activity, ';
+
+    public $noPersonsMessage = 'For this type of activity, you must add at least one person';
+
+    public $noThirdPartiesMessage = 'For this type of activity, you must add at least one third party';
+
+    public $noUsersMessage = 'For this type of activity, you must add at least one user';
+
+    public $socialActionsMessage = 'For this type of activity, you must add at least one social action';
+
+    public $socialIssuesMessage = 'For this type of activity, you must add at least one social issue';
+
+    public function getTargets()
+    {
+        return self::CLASS_CONSTRAINT;
+    }
+
+    public function makeIsRequiredMessage(string $property)
+    {
+        return self::ROOT_MESSAGE . $property . self::IS_REQUIRED_MESSAGE;
+    }
+}
diff --git a/src/Bundle/ChillActivityBundle/Validator/Constraints/ActivityValidityValidator.php b/src/Bundle/ChillActivityBundle/Validator/Constraints/ActivityValidityValidator.php
new file mode 100644
index 000000000..b6a070037
--- /dev/null
+++ b/src/Bundle/ChillActivityBundle/Validator/Constraints/ActivityValidityValidator.php
@@ -0,0 +1,126 @@
+<?php
+
+/**
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\ActivityBundle\Validator\Constraints;
+
+use Chill\ActivityBundle\Entity\Activity;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+use Symfony\Component\Validator\Exception\UnexpectedValueException;
+
+class ActivityValidityValidator extends ConstraintValidator
+{
+    public function validate($activity, Constraint $constraint)
+    {
+        if (!$constraint instanceof ActivityValidity) {
+            throw new UnexpectedTypeException($constraint, ActivityValidity::class);
+        }
+
+        if (!$activity instanceof Activity) {
+            throw new UnexpectedValueException($activity, Activity::class);
+        }
+
+        if ($activity->getActivityType()->getPersonsVisible() === 2 && count($activity->getPersons()) === 0) {
+            $this->context
+                ->buildViolation($constraint->noPersonsMessage)
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getUsersVisible() === 2 && count($activity->getUsers()) === 0) {
+            $this->context
+                ->buildViolation($constraint->noUsersMessage)
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getThirdPartiesVisible() === 2 && count($activity->getThirdParties()) === 0) {
+            $this->context
+                ->buildViolation($constraint->noThirdPartiesMessage)
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getUserVisible() === 2 && null === $activity->getUser()) {
+            $this->context
+                ->buildViolation($constraint->makeIsRequiredMessage('user'))
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getDateVisible() === 2 && null === $activity->getDate()) {
+            $this->context
+                ->buildViolation($constraint->makeIsRequiredMessage('date'))
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getLocationVisible() === 2 && null === $activity->getLocation()) {
+            $this->context
+                ->buildViolation($constraint->makeIsRequiredMessage('location'))
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getDurationTimeVisible() === 2 && null === $activity->getDurationTime()) {
+            $this->context
+                ->buildViolation($constraint->makeIsRequiredMessage('duration time'))
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getTravelTimeVisible() === 2 && null === $activity->getTravelTime()) {
+            $this->context
+                ->buildViolation($constraint->makeIsRequiredMessage('travel time'))
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getAttendeeVisible() === 2 && null === $activity->getAttendee()) {
+            $this->context
+                ->buildViolation($constraint->makeIsRequiredMessage('attendee'))
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getReasonsVisible() === 2 && null === $activity->getReasons()) {
+            $this->context
+                ->buildViolation($constraint->makeIsRequiredMessage('reasons'))
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getCommentVisible() === 2 && null === $activity->getComment()) {
+            $this->context
+                ->buildViolation($constraint->makeIsRequiredMessage('comment'))
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getSentReceivedVisible() === 2 && null === $activity->getSentReceived()) {
+            $this->context
+                ->buildViolation($constraint->makeIsRequiredMessage('sent/received'))
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getDocumentsVisible() === 2 && null === $activity->getDocuments()) {
+            $this->context
+                ->buildViolation($constraint->makeIsRequiredMessage('document'))
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getEmergencyVisible() === 2 && null === $activity->getEmergency()) {
+            $this->context
+                ->buildViolation($constraint->makeIsRequiredMessage('emergency'))
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getSocialIssuesVisible() === 2 && $activity->getSocialIssues()->count() === 0) {
+            $this->context
+                ->buildViolation($constraint->socialIssuesMessage)
+                ->addViolation();
+        }
+
+        if ($activity->getActivityType()->getSocialActionsVisible() === 2 && $activity->getSocialActions()->count() === 0) {
+            $this->context
+                ->buildViolation($constraint->socialActionsMessage)
+                ->addViolation();
+        }
+    }
+}
diff --git a/src/Bundle/ChillActivityBundle/config/services.yaml b/src/Bundle/ChillActivityBundle/config/services.yaml
index 4e93e38be..1ca413f0e 100644
--- a/src/Bundle/ChillActivityBundle/config/services.yaml
+++ b/src/Bundle/ChillActivityBundle/config/services.yaml
@@ -27,3 +27,8 @@ services:
 
     Chill\ActivityBundle\Repository\:
         resource: '../Repository/'
+
+    Chill\ActivityBundle\Validator\Constraints\:
+        autowire: true
+        autoconfigure: true
+        resource: '../Validator/Constraints/'
diff --git a/src/Bundle/ChillActivityBundle/translations/messages.fr.yml b/src/Bundle/ChillActivityBundle/translations/messages.fr.yml
index d0c3ddc6d..959eee233 100644
--- a/src/Bundle/ChillActivityBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillActivityBundle/translations/messages.fr.yml
@@ -139,34 +139,40 @@ ActivityReasonCategory is inactive and won't be proposed: La catégorie est inac
 # activity type type admin
 ActivityType list: Types d'activités
 Create a new activity type: Créer un nouveau type d'activité
-Persons visible: Visibilté du champ Personnes
+Persons visible: Visibilité du champ Personnes
 Persons label: Libellé du champ Personnes
-User visible: Visibilté du champ Utilisateur
+User visible: Visibilité du champ Utilisateur
 User label: Libellé du champ Utilisateur
-Date visible: Visibilté du champ Date
+Date visible: Visibilité du champ Date
 Date label: Libellé du champ Date
-Place visible: Visibilté du champ Lieu
+Place visible: Visibilité du champ Lieu
 Place label: Libellé du champ Lieu
-Third parties visible: Visibilté du champ Tiers
+Third parties visible: Visibilité du champ Tiers
 Third parties label: Libellé du champ Tiers
-Duration time visible: Visibilté du champ Durée
+Duration time visible: Visibilité du champ Durée
 Duration time label: Libellé du champ Durée
-Travel time visible: Visibilté du champ Durée de déplacement
+Travel time visible: Visibilité du champ Durée de déplacement
 Travel time label: Libellé du champ Durée de déplacement
-Attendee visible: Visibilté du champ Présence de l'usager
+Attendee visible: Visibilité du champ Présence de l'usager
 Attendee label: Libellé du champ Présence de l'usager
-Reasons visible: Visibilté du champ Sujet
+Reasons visible: Visibilité du champ Sujet
 Reasons label: Libellé du champ Sujet
-Comment visible: Visibilté du champ Commentaire
+Comment visible: Visibilité du champ Commentaire
 Comment label: Libellé du champ Commentaire
-Emergency visible: Visibilté du champ Urgent
+Emergency visible: Visibilité du champ Urgent
 Emergency label: Libellé du champ Urgent
-Accompanying period visible: Visibilté du champ Période d'accompagnement
+Accompanying period visible: Visibilité du champ Période d'accompagnement
 Accompanying period label: Libellé du champ Période d'accompagnement
-Social data visible: Visibilté du champ Données sociales
-Social data label: Libellé du champ Données sociales
-Users visible: Visibilté du champ Utilisateurs
+Social issues visible: Visibilité du champ Problématiques sociales
+Social issues label: Libellé du champ Problématiques sociales
+Social actions visible: Visibilité du champ Action sociale
+Social actions label: Libellé du champ Action sociale
+Users visible: Visibilité du champ Utilisateurs
 Users label: Libellé du champ Utilisateurs
+Sent received visible: Visibilité du champ Entrant / Sortant
+Sent received label: Libellé du champ Entrant / Sortant
+Documents visible: Visibilité du champ Documents
+Documents label: Libellé du champ Documents
 
 # activity type category admin
 ActivityTypeCategory list: Liste des catégories des types d'activité
diff --git a/src/Bundle/ChillActivityBundle/translations/validators.fr.yml b/src/Bundle/ChillActivityBundle/translations/validators.fr.yml
index edda0b67b..072ac55d2 100644
--- a/src/Bundle/ChillActivityBundle/translations/validators.fr.yml
+++ b/src/Bundle/ChillActivityBundle/translations/validators.fr.yml
@@ -1,2 +1,22 @@
 The reasons's level should not be empty: Le niveau du sujet ne peut pas être vide
 At least one reason must be choosen: Au moins un sujet doit être choisi
+For this type of activity, you must add at least one person: Pour ce type d'activité, vous devez ajouter au moins un usager
+For this type of activity, you must add at least one user: Pour ce type d'activité, vous devez ajouter au moins un utilisateur
+For this type of activity, you must add at least one third party: Pour ce type d'activité, vous devez ajouter au moins un tiers
+For this type of activity, user is required: Pour ce type d'activité, l'utilisateur est requis
+For this type of activity, date is required: Pour ce type d'activité, la date est requise
+For this type of activity, location is required: Pour ce type d'activité, la localisation est requise
+For this type of activity, attendee is required: Pour ce type d'activité, le champ "Présence de la personne" est requis
+For this type of activity, duration time is required: Pour ce type d'activité, la durée est requise
+For this type of activity, travel time is required: Pour ce type d'activité, la durée du trajet est requise
+For this type of activity, reasons is required: Pour ce type d'activité, le champ "sujet" est requis
+For this type of activity, comment is required: Pour ce type d'activité, un commentaire est requis
+For this type of activity, sent/received is required: Pour ce type d'activité, le champ Entrant/Sortant est requis
+For this type of activity, document is required: Pour ce type d'activité, un document est requis
+For this type of activity, emergency is required: Pour ce type d'activité, le champ "Urgent" est requis
+For this type of activity, accompanying period is required: Pour ce type d'activité, le parcours d'accompagnement est requis
+For this type of activity, you must add at least one social issue: Pour ce type d'activité, vous devez ajouter au moins une problématique sociale
+For this type of activity, you must add at least one social action: Pour ce type d'activité, vous devez indiquez au moins une action sociale
+
+# admin
+This parameter must be equal to social issue parameter: Ce paramètre doit être égal au paramètre "Visibilité du champs Problématiques sociales"
diff --git a/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php b/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php
index 0165142f7..6e6bce842 100644
--- a/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php
+++ b/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php
@@ -332,12 +332,12 @@ class CalendarController extends AbstractController
 
         $personsId = array_map(
             static fn (Person $p): int => $p->getId(),
-            $entity->getPersons()
+            $entity->getPersons()->toArray()
         );
 
         $professionalsId = array_map(
             static fn (ThirdParty $thirdParty): ?int => $thirdParty->getId(),
-            $entity->getProfessionals()
+            $entity->getProfessionals()->toArray()
         );
 
         $durationTime = $entity->getEndDate()->diff($entity->getStartDate());
diff --git a/src/Bundle/ChillCalendarBundle/Resources/public/vuejs/Calendar/store.js b/src/Bundle/ChillCalendarBundle/Resources/public/vuejs/Calendar/store.js
index 457d31799..edfb7f236 100644
--- a/src/Bundle/ChillCalendarBundle/Resources/public/vuejs/Calendar/store.js
+++ b/src/Bundle/ChillCalendarBundle/Resources/public/vuejs/Calendar/store.js
@@ -1,5 +1,6 @@
 import 'es6-promise/auto';
 import { createStore } from 'vuex';
+import { postLocation } from 'ChillActivityAssets/vuejs/Activity/api';
 
 const debug = process.env.NODE_ENV !== 'production';
 
@@ -33,7 +34,6 @@ const store = createStore({
    },
    getters: {
       suggestedEntities(state) {
-         console.log(state.activity)
          if (typeof(state.activity.accompanyingPeriod) === 'undefined') {
            return [];
          }
@@ -189,8 +189,35 @@ const store = createStore({
       updateLocation({ commit }, value) {
          console.log('### action: updateLocation', value);
          let hiddenLocation = document.getElementById("chill_calendarbundle_calendar_location");
-         hiddenLocation.value = value.id;
-         commit('updateLocation', value);
+         if (value.onthefly) {
+             const body = {
+                 "type": "location",
+                 "name": value.name === '__AccompanyingCourseLocation__' ? null : value.name,
+                 "locationType": {
+                     "id": value.locationType.id,
+                     "type": "location-type"
+                 }
+             };
+             if (value.address.id) {
+                 Object.assign(body, {
+                     "address": {
+                         "id": value.address.id
+                     },
+                 })
+             }
+             postLocation(body)
+                 .then(
+                     location => hiddenLocation.value = location.id
+                 ).catch(
+                     err => {
+                         console.log(err.message);
+                     }
+                 );
+         } else {
+             hiddenLocation.value = value.id;
+         }
+         commit("updateLocation", value);
+
       }
 
   }
diff --git a/src/Bundle/ChillCalendarBundle/Resources/views/Calendar/show.html.twig b/src/Bundle/ChillCalendarBundle/Resources/views/Calendar/show.html.twig
index 5dfde6fc3..7c59996d2 100644
--- a/src/Bundle/ChillCalendarBundle/Resources/views/Calendar/show.html.twig
+++ b/src/Bundle/ChillCalendarBundle/Resources/views/Calendar/show.html.twig
@@ -41,8 +41,8 @@
     <dd>
         {% if entity.location is not null %}
             <p>
-                <span>{{ entity.location.locationType.title|localize_translatable_string }}</span>
                 {{ entity.location.name }}
+                <span> ({{ entity.location.locationType.title|localize_translatable_string }})</span>
             </p>
             {{ entity.location.address|chill_entity_render_box }}
         {% else %}
diff --git a/src/Bundle/ChillMainBundle/Controller/LocationApiController.php b/src/Bundle/ChillMainBundle/Controller/LocationApiController.php
index 52b6f1e81..16fc414d9 100644
--- a/src/Bundle/ChillMainBundle/Controller/LocationApiController.php
+++ b/src/Bundle/ChillMainBundle/Controller/LocationApiController.php
@@ -10,8 +10,6 @@
 namespace Chill\MainBundle\Controller;
 
 use Chill\MainBundle\CRUD\Controller\ApiController;
-use DateInterval;
-use DateTime;
 use Symfony\Component\HttpFoundation\Request;
 
 /**
@@ -21,22 +19,11 @@ class LocationApiController extends ApiController
 {
     public function customizeQuery(string $action, Request $request, $query): void
     {
-        $query->andWhere($query->expr()->orX(
-            $query->expr()->andX(
-                $query->expr()->eq('e.createdBy', ':user'),
-                $query->expr()->gte('e.createdAt', ':dateBefore')
-            ),
+        $query->andWhere(
             $query->expr()->andX(
                 $query->expr()->eq('e.availableForUsers', "'TRUE'"),
                 $query->expr()->eq('e.active', "'TRUE'"),
-                $query->expr()->isNotNull('e.name'),
-                $query->expr()->neq('e.name', ':emptyString'),
             )
-        ))
-            ->setParameters([
-                'user' => $this->getUser(),
-                'dateBefore' => (new DateTime())->sub(new DateInterval('P6M')),
-                'emptyString' => '',
-            ]);
+        );
     }
 }
diff --git a/src/Bundle/ChillMainBundle/Entity/LocationType.php b/src/Bundle/ChillMainBundle/Entity/LocationType.php
index 8b171eb0f..b0d91a4f1 100644
--- a/src/Bundle/ChillMainBundle/Entity/LocationType.php
+++ b/src/Bundle/ChillMainBundle/Entity/LocationType.php
@@ -11,6 +11,7 @@ namespace Chill\MainBundle\Entity;
 
 use Chill\MainBundle\Repository\LocationTypeRepository;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 use Symfony\Component\Serializer\Annotation as Serializer;
 use Symfony\Component\Serializer\Annotation\DiscriminatorMap;
 
@@ -20,9 +21,14 @@ use Symfony\Component\Serializer\Annotation\DiscriminatorMap;
  * @DiscriminatorMap(typeProperty="type", mapping={
  *     "location-type": LocationType::class
  * })
+ * @UniqueEntity({"defaultFor"})
  */
 class LocationType
 {
+    public const DEFAULT_FOR_3PARTY = 'thirdparty';
+
+    public const DEFAULT_FOR_PERSON = 'person';
+
     public const STATUS_NEVER = 'never';
 
     public const STATUS_OPTIONAL = 'optional';
@@ -53,6 +59,12 @@ class LocationType
      */
     private string $contactData = self::STATUS_OPTIONAL;
 
+    /**
+     * @ORM\Column(type="string", nullable=true, length=32, unique=true)
+     * @Serializer\Groups({"read"})
+     */
+    private ?string $defaultFor = null;
+
     /**
      * @ORM\Id
      * @ORM\GeneratedValue
@@ -87,6 +99,11 @@ class LocationType
         return $this->contactData;
     }
 
+    public function getDefaultFor(): ?string
+    {
+        return $this->defaultFor;
+    }
+
     public function getId(): ?int
     {
         return $this->id;
@@ -125,6 +142,13 @@ class LocationType
         return $this;
     }
 
+    public function setDefaultFor(?string $defaultFor): self
+    {
+        $this->defaultFor = $defaultFor;
+
+        return $this;
+    }
+
     public function setTitle(array $title): self
     {
         $this->title = $title;
diff --git a/src/Bundle/ChillMainBundle/Form/LocationTypeType.php b/src/Bundle/ChillMainBundle/Form/LocationTypeType.php
index 1e4776f8f..41372b48e 100644
--- a/src/Bundle/ChillMainBundle/Form/LocationTypeType.php
+++ b/src/Bundle/ChillMainBundle/Form/LocationTypeType.php
@@ -71,6 +71,18 @@ final class LocationTypeType extends AbstractType
                     ],
                     'expanded' => true,
                 ]
+            )
+            ->add(
+                'defaultFor',
+                ChoiceType::class,
+                [
+                    'choices' => [
+                        'none' => null,
+                        'person' => LocationType::DEFAULT_FOR_PERSON,
+                        'thirdparty' => LocationType::DEFAULT_FOR_3PARTY,
+                    ],
+                    'expanded' => true,
+                ]
             );
     }
 }
diff --git a/src/Bundle/ChillMainBundle/Resources/public/lib/api/apiMethods.js b/src/Bundle/ChillMainBundle/Resources/public/lib/api/apiMethods.js
index 5b49ba546..96a95ad93 100644
--- a/src/Bundle/ChillMainBundle/Resources/public/lib/api/apiMethods.js
+++ b/src/Bundle/ChillMainBundle/Resources/public/lib/api/apiMethods.js
@@ -10,7 +10,6 @@
         body: (body !== null) ? JSON.stringify(body) : null
     })
     .then(response => {
-
         if (response.ok) {
             return response.json();
         }
diff --git a/src/Bundle/ChillMainBundle/Resources/views/LocationType/index.html.twig b/src/Bundle/ChillMainBundle/Resources/views/LocationType/index.html.twig
index ec617c6c0..5402d5e89 100644
--- a/src/Bundle/ChillMainBundle/Resources/views/LocationType/index.html.twig
+++ b/src/Bundle/ChillMainBundle/Resources/views/LocationType/index.html.twig
@@ -11,6 +11,7 @@
 				<th>{{ 'Address required'|trans }}</th>
 				<th>{{ 'Contact data'|trans }}</th>
 				<th>{{ 'Active'|trans }}</th>
+				<th>{{ 'Default for'|trans }}</th>
 			</tr>
 		</thead>
 		<tbody>
@@ -33,6 +34,7 @@
 							<i class="fa fa-square-o"></i>
 						{%- endif -%}
 					</td>
+					<td>{{ entity.defaultFor|trans }}</td>
 					<td>
 						<ul class="record_actions">
 							<li>
diff --git a/src/Bundle/ChillMainBundle/migrations/Version20211123093355.php b/src/Bundle/ChillMainBundle/migrations/Version20211123093355.php
new file mode 100644
index 000000000..b6618d25e
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/migrations/Version20211123093355.php
@@ -0,0 +1,38 @@
+<?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\Migrations\Main;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Add defaultFor to LocationType.
+ */
+final class Version20211123093355 extends AbstractMigration
+{
+    public function down(Schema $schema): void
+    {
+        $this->addSql('DROP INDEX UNIQ_A459B5CADD3E4105');
+        $this->addSql('ALTER TABLE chill_main_location_type DROP defaultFor');
+    }
+
+    public function getDescription(): string
+    {
+        return 'Add defaultFor to LocationType';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_main_location_type ADD defaultFor VARCHAR(32) DEFAULT NULL');
+        $this->addSql('CREATE UNIQUE INDEX UNIQ_A459B5CADD3E4105 ON chill_main_location_type (defaultFor)');
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/translations/messages.fr.yml b/src/Bundle/ChillMainBundle/translations/messages.fr.yml
index 210227fbe..f8c474042 100644
--- a/src/Bundle/ChillMainBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillMainBundle/translations/messages.fr.yml
@@ -212,6 +212,10 @@ Location type: Type de localisation
 Phonenumber1: Numéro de téléphone
 Phonenumber2: Autre numéro de téléphone
 Configure location and location type: Configuration des localisations
+Default for: Type de localisation par défaut pour
+none: aucun
+person: usager
+thirdparty: tiers
 
 # circles / scopes
 Choose the circle: Choisir le cercle
diff --git a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
index 7c19864bd..35fb8d64b 100644
--- a/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
+++ b/src/Bundle/ChillPersonBundle/Controller/AccompanyingCourseApiController.php
@@ -249,6 +249,22 @@ final class AccompanyingCourseApiController extends ApiController
         );
     }
 
+    /**
+     * @Route("/api/1.0/person/accompanying-course/{id}/confidential.json", name="chill_api_person_accompanying_period_confidential")
+     * @ParamConverter("accompanyingCourse", options={"id": "id"})
+     */
+    public function toggleConfidentialApi(AccompanyingPeriod $accompanyingCourse, Request $request)
+    {
+        if ($request->getMethod() === 'POST') {
+            $this->denyAccessUnlessGranted(AccompanyingPeriodVoter::CONFIDENTIAL, $accompanyingCourse);
+
+            $accompanyingCourse->setConfidential(!$accompanyingCourse->isConfidential());
+            $this->getDoctrine()->getManager()->flush();
+        }
+
+        return $this->json($accompanyingCourse->isConfidential(), Response::HTTP_OK, [], ['groups' => ['read']]);
+    }
+
     public function workApi($id, Request $request, string $_format): Response
     {
         return $this->addRemoveSomething(
diff --git a/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php b/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
index 84d1c1a71..0ad6c1fd6 100644
--- a/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
+++ b/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
@@ -378,7 +378,6 @@ class ChillPersonExtension extends Extension implements PrependExtensionInterfac
                                 Request::METHOD_DELETE => 'ALWAYS_FAILS',
                             ],
                         ],
-
                         'confirm' => [
                             'methods' => [
                                 Request::METHOD_POST => true,
@@ -389,6 +388,16 @@ class ChillPersonExtension extends Extension implements PrependExtensionInterfac
                                 Request::METHOD_POST => \Chill\PersonBundle\Security\Authorization\AccompanyingPeriodVoter::SEE,
                             ],
                         ],
+                        'confidential' => [
+                            'methods' => [
+                                Request::METHOD_POST => true,
+                                Request::METHOD_GET => true,
+                            ],
+                            'controller_action' => 'toggleConfidentialApi',
+                            'roles' => [
+                                Request::METHOD_POST => \Chill\PersonBundle\Security\Authorization\AccompanyingPeriodVoter::TOGGLE_CONFIDENTIAL,
+                            ],
+                        ],
                         'findAccompanyingPeriodsByPerson' => [
                             'path' => '/by-person/{person_id}.{_format}',
                             'controller_action' => 'getAccompanyingPeriodsByPerson',
diff --git a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
index 6b0c5d768..f3eb6538a 100644
--- a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
+++ b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
@@ -49,6 +49,10 @@ use UnexpectedValueException;
  *     "accompanying_period": AccompanyingPeriod::class
  * })
  * @Assert\GroupSequenceProvider
+ * @Assert\Expression(
+ *     "this.isConfidential and this.getUser === NULL",
+ *     message="If the accompanying course is confirmed and confidential, a referrer must remain assigned."
+ * )
  */
 class AccompanyingPeriod implements
     TrackCreationInterface,
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/Banner/ToggleFlags.vue b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/Banner/ToggleFlags.vue
index 459e5e758..39fe50acc 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/Banner/ToggleFlags.vue
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/Banner/ToggleFlags.vue
@@ -21,6 +21,7 @@
 
 <script>
 import { mapState } from 'vuex';
+
 export default {
    name: "ToggleFlags",
    computed: {
@@ -28,6 +29,7 @@ export default {
          intensity: state => state.accompanyingCourse.intensity,
          emergency: state => state.accompanyingCourse.emergency,
          confidential: state => state.accompanyingCourse.confidential,
+         permissions: state => state.permissions,
       }),
       isRegular() {
          return (this.intensity === 'regular') ? true : false;
@@ -37,7 +39,7 @@ export default {
       },
       isConfidential() {
          return (this.confidential) ? true : false;
-      }
+      },
    },
    methods: {
       toggleIntensity() {
@@ -73,16 +75,22 @@ export default {
             });
       },
       toggleConfidential() {
-         this.$store.dispatch('toggleConfidential', (!this.isConfidential))
-            .catch(({name, violations}) => {
-               if (name === 'ValidationException' || name === 'AccessException') {
-                  violations.forEach((violation) => this.$toast.open({message: violation}));
-               } else {
-                  this.$toast.open({message: 'An error occurred'})
-               }
-            });
-      }
-   }
+         this.$store.dispatch('fetchPermissions').then(() => {
+           if (!this.$store.getters.canTogglePermission) {
+             this.$toast.open({message: "Seul le référent peut modifier la confidentialité"});
+             return Promise.resolve();
+           } else {
+             return this.$store.dispatch('toggleConfidential', (!this.isConfidential));
+           }
+         }).catch(({name, violations}) => {
+             if (name === 'ValidationException' || name === 'AccessException') {
+                violations.forEach((violation) => this.$toast.open({message: violation}));
+             } else {
+                this.$toast.open({message: 'An error occurred'})
+             }
+          });
+      },
+   },
 }
 </script>
 
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
index e91de0be0..a1858c6b3 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
@@ -37,6 +37,7 @@ let initPromise = Promise.all([scopesPromise, accompanyingCoursePromise])
             referrersSuggested: [],
             // all the users available
             users: [],
+            permissions: {}
          },
          getters: {
             isParticipationValid(state) {
@@ -70,7 +71,14 @@ let initPromise = Promise.all([scopesPromise, accompanyingCoursePromise])
                   return true;
                }
                return false;
-            }
+            },
+            canTogglePermission(state) {
+               if (state.permissions.roles) {
+                  return state.permissions.roles['CHILL_PERSON_ACCOMPANYING_PERIOD_TOGGLE_CONFIDENTIAL'];
+               }
+
+               return false;
+            },
          },
          mutations: {
             catchError(state, error) {
@@ -201,6 +209,10 @@ let initPromise = Promise.all([scopesPromise, accompanyingCoursePromise])
                   return u;
                });
             },
+            setPermissions(state, permissions) {
+               state.permissions = permissions;
+               // console.log('permissions', state.permissions);
+            },
             updateLocation(state, r) {
                //console.log('### mutation: set location attributes', r);
                state.accompanyingCourse.locationStatus = r.locationStatus;
@@ -625,6 +637,33 @@ let initPromise = Promise.all([scopesPromise, accompanyingCoursePromise])
                let users = await getUsers();
                commit('setUsers', users);
             },
+            /**
+             * By adding more roles to body['roles'], more permissions can be checked.
+             */
+            fetchPermissions({commit}) {
+               const url = '/api/1.0/main/permissions/info.json';
+               const body = {
+                  "object": {
+                     "type": "accompanying_period",
+                     "id": id
+                   },
+                   "class": "Chill\\PersonBundle\\Entity\\AccompanyingPeriod",
+                   "roles": [
+                      "CHILL_PERSON_ACCOMPANYING_PERIOD_TOGGLE_CONFIDENTIAL"
+                     ]
+               }
+
+               return makeFetch('POST', url, body)
+                  .then((response) => {
+                     commit('setPermissions', response);
+
+                     return Promise.resolve();
+                  })
+                  .catch((error) => {
+                     commit('catchError', error);
+                     throw error;
+                  })
+            },
             updateLocation({ commit, dispatch }, payload) {
                //console.log('## action: updateLocation', payload.locationStatusTo);
                const url = `/api/1.0/person/accompanying-course/${payload.targetId}.json`;
@@ -642,12 +681,12 @@ let initPromise = Promise.all([scopesPromise, accompanyingCoursePromise])
                Object.assign(body, location);
                makeFetch('PATCH', url, body)
                   .then((response) => {
-                        commit('updateLocation', {
-                           location: response.location,
-                           locationStatus: response.locationStatus,
-                           personLocation: response.personLocation
-                        });
-                        dispatch('fetchReferrersSuggested');
+                     commit('updateLocation', {
+                        location: response.location,
+                        locationStatus: response.locationStatus,
+                        personLocation: response.personLocation
+                     });
+                     dispatch('fetchReferrersSuggested');
                   })
                   .catch((error) => {
                      commit('catchError', error);
diff --git a/src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodVoter.php b/src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodVoter.php
index ae226e848..ca212108a 100644
--- a/src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodVoter.php
+++ b/src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodVoter.php
@@ -31,6 +31,7 @@ class AccompanyingPeriodVoter extends AbstractChillVoter implements ProvideRoleH
         self::EDIT,
         self::DELETE,
         self::FULL,
+        self::TOGGLE_CONFIDENTIAL_ALL,
     ];
 
     public const CREATE = 'CHILL_PERSON_ACCOMPANYING_PERIOD_CREATE';
@@ -53,6 +54,13 @@ class AccompanyingPeriodVoter extends AbstractChillVoter implements ProvideRoleH
      */
     public const SEE_DETAILS = 'CHILL_PERSON_ACCOMPANYING_PERIOD_SEE_DETAILS';
 
+    public const TOGGLE_CONFIDENTIAL = 'CHILL_PERSON_ACCOMPANYING_PERIOD_TOGGLE_CONFIDENTIAL';
+
+    /**
+     * Right to toggle confidentiality.
+     */
+    public const TOGGLE_CONFIDENTIAL_ALL = 'CHILL_PERSON_ACCOMPANYING_PERIOD_TOGGLE_CONFIDENTIAL_ALL';
+
     private Security $security;
 
     private VoterHelperInterface $voterHelper;
@@ -65,7 +73,7 @@ class AccompanyingPeriodVoter extends AbstractChillVoter implements ProvideRoleH
         $this->voterHelper = $voterHelperFactory
             ->generate(self::class)
             ->addCheckFor(null, [self::CREATE])
-            ->addCheckFor(AccompanyingPeriod::class, self::ALL)
+            ->addCheckFor(AccompanyingPeriod::class, [self::TOGGLE_CONFIDENTIAL, ...self::ALL])
             ->addCheckFor(Person::class, [self::SEE])
             ->build();
     }
@@ -113,6 +121,14 @@ class AccompanyingPeriodVoter extends AbstractChillVoter implements ProvideRoleH
                 return false;
             }
 
+            if (self::TOGGLE_CONFIDENTIAL === $attribute) {
+                if ($subject->getUser() === $token->getUser()) {
+                    return true;
+                }
+
+                return $this->voterHelper->voteOnAttribute(self::TOGGLE_CONFIDENTIAL_ALL, $subject, $token);
+            }
+
             // if confidential, only the referent can see it
             if ($subject->isConfidential()) {
                 return $token->getUser() === $subject->getUser();
diff --git a/src/Bundle/ChillPersonBundle/Tests/AccompanyingPeriod/AccompanyingPeriodConfidentialTest.php b/src/Bundle/ChillPersonBundle/Tests/AccompanyingPeriod/AccompanyingPeriodConfidentialTest.php
new file mode 100644
index 000000000..f6cd76b79
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/Tests/AccompanyingPeriod/AccompanyingPeriodConfidentialTest.php
@@ -0,0 +1,133 @@
+<?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.
+ */
+
+namespace Chill\PersonBundle\Tests\AccompanyingPeriod;
+
+use Chill\MainBundle\Entity\Center;
+use Chill\MainBundle\Entity\User;
+use Chill\PersonBundle\Entity\AccompanyingPeriod;
+use Chill\PersonBundle\Entity\Person;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * @internal
+ * @coversNothing
+ */
+class AccompanyingPeriodConfidentialTest extends WebTestCase
+{
+    /**
+     * Setup before the first test of this class (see phpunit doc).
+     */
+    public static function setUpBeforeClass()
+    {
+        static::bootKernel();
+    }
+
+    /**
+     * Setup before each test method (see phpunit doc).
+     */
+    public function setUp()
+    {
+        $this->client = static::createClient([], [
+            'PHP_AUTH_USER' => 'fred',
+            'PHP_AUTH_PW' => 'password',
+        ]);
+    }
+
+    public function dataGenerateRandomAccompanyingCourse()
+    {
+        $maxGenerated = 3;
+        $maxResults = $maxGenerated * 8;
+
+        static::bootKernel();
+        $em = static::$kernel->getContainer()->get('doctrine.orm.entity_manager');
+        $center = $em->getRepository(Center::class)
+            ->findOneBy(['name' => 'Center A']);
+
+        $qb = $em->createQueryBuilder();
+        $personIds = $qb
+            ->select('p.id')
+            ->distinct(true)
+            ->from(Person::class, 'p')
+            ->join('p.accompanyingPeriodParticipations', 'participation')
+            ->join('participation.accompanyingPeriod', 'ap')
+            ->andWhere(
+                $qb->expr()->eq('ap.step', ':step')
+            )
+            ->andWhere(
+                $qb->expr()->eq('ap.confidential', ':confidential')
+            )
+            ->setParameter('step', AccompanyingPeriod::STEP_CONFIRMED)
+            ->setParameter('confidential', true)
+            ->setMaxResults($maxResults)
+            ->getQuery()
+            ->getScalarResult();
+
+        // create a random order
+        shuffle($personIds);
+
+        $nbGenerated = 0;
+
+        while ($nbGenerated < $maxGenerated) {
+            $id = array_pop($personIds)['id'];
+
+            $person = $em->getRepository(Person::class)
+                ->find($id);
+            $periods = $person->getAccompanyingPeriods();
+
+            yield [array_pop($personIds)['id'], $periods[array_rand($periods)]->getId()];
+
+            ++$nbGenerated;
+        }
+    }
+
+    /**
+     * @dataProvider dataGenerateRandomAccompanyingCourse
+     */
+    public function testRemoveUserWhenConfidential(int $periodId)
+    {
+        $period = self::$container->get(AccompanyingPeriodRepository::class)
+            ->find($periodId);
+        $em = static::$kernel->getContainer()->get('doctrine.orm.entity_manager');
+
+        $isConfidential = $period->isConfidential();
+        $step = $period->getStep();
+
+        $initialUser = $period->getUser();
+
+        $user = new stdClass();
+        $user->id = 0;
+        $user->type = 'user';
+        dump($user);
+
+        $this->client->request(
+            Request::METHOD_PATCH,
+            sprintf('/api/1.0/person/accompanying-course/%d.json', $periodId),
+            [], // parameters
+            [], // files
+            [], // server parameters
+            json_encode(['type' => 'accompanying_period', 'user' => $user])
+        );
+        $response = $this->client->getResponse();
+
+        // if ($isConfidential === true && $step === 'CONFIRMED') {
+        $this->assertEquals(422, $response->getStatusCode());
+        // }
+
+        $this->assertEquals(200, $response->getStatusCode());
+        $period = $em->getRepository(AccompanyingPeriod::class)
+            ->find($periodId);
+        $this->assertEquals($user, $period->getUser());
+
+        // assign initial user again
+        $period->setUser($initialUser);
+        $em->flush();
+    }
+}
diff --git a/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/LocationValidityValidator.php b/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/LocationValidityValidator.php
index 167553909..275ab281f 100644
--- a/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/LocationValidityValidator.php
+++ b/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/LocationValidityValidator.php
@@ -32,7 +32,7 @@ class LocationValidityValidator extends ConstraintValidator
         }
 
         if (!$period instanceof AccompanyingPeriod) {
-            throw new UnexpectedValueException($value, AccompanyingPeriod::class);
+            throw new UnexpectedValueException($period, AccompanyingPeriod::class);
         }
 
         if ($period->getLocationStatus() === 'person') {
diff --git a/src/Bundle/ChillPersonBundle/chill.api.specs.yaml b/src/Bundle/ChillPersonBundle/chill.api.specs.yaml
index 5e1f0d937..c67884a19 100644
--- a/src/Bundle/ChillPersonBundle/chill.api.specs.yaml
+++ b/src/Bundle/ChillPersonBundle/chill.api.specs.yaml
@@ -1113,6 +1113,44 @@ paths:
           description: "OK"
         400:
           description: "transition cannot be applyed"
+  
+  /1.0/person/accompanying-course/{id}/confidential.json:
+    post:
+      tags:
+        - person
+      summary: "Toggle confidentiality of accompanying course"
+      parameters:
+        - name: id
+          in: path
+          required: true
+          description: The accompanying period's id
+          schema:
+            type: integer
+            format: integer
+            minimum: 1
+      requestBody:
+        description: "Confidentiality toggle"
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                type:
+                  type: string
+                  enum:
+                    - "accompanying_period"
+                confidential:
+                  type: boolean
+      responses:
+        401:
+          description: "Unauthorized"
+        404:
+          description: "Not found"
+        200:
+          description: "OK"
+        422:
+          description: "object with validation errors"
 
   /1.0/person/accompanying-course/by-person/{person_id}.json:
     get: