diff --git a/src/Bundle/ChillPersonBundle/Controller/HouseholdMemberController.php b/src/Bundle/ChillPersonBundle/Controller/HouseholdMemberController.php
index e78838e22..85e1c86b6 100644
--- a/src/Bundle/ChillPersonBundle/Controller/HouseholdMemberController.php
+++ b/src/Bundle/ChillPersonBundle/Controller/HouseholdMemberController.php
@@ -50,8 +50,12 @@ class HouseholdMemberController extends ApiController
 
         // TODO ACL
         //
-        // TODO validation
-        //
+        $errors = $editor->validate();
+
+        if (count($errors) > 0) {
+            return $this->json($errors, 422);
+        }
+
         $em = $this->getDoctrine()->getManager();
 
         // if new household, persist it
diff --git a/src/Bundle/ChillPersonBundle/Entity/Household/Household.php b/src/Bundle/ChillPersonBundle/Entity/Household/Household.php
index 5b186dfc2..349083fcb 100644
--- a/src/Bundle/ChillPersonBundle/Entity/Household/Household.php
+++ b/src/Bundle/ChillPersonBundle/Entity/Household/Household.php
@@ -19,7 +19,7 @@ use Chill\PersonBundle\Validator\Constraints\Household\MaxHolder;
  * @Serializer\DiscriminatorMap(typeProperty="type", mapping={
  *    "household"=Household::class
  * })
- * @MasHolder()
+ * @MaxHolder(groups={"memberships"})
  */
 class Household
 {
diff --git a/src/Bundle/ChillPersonBundle/Household/MembersEditor.php b/src/Bundle/ChillPersonBundle/Household/MembersEditor.php
index bc25c725f..37db3626f 100644
--- a/src/Bundle/ChillPersonBundle/Household/MembersEditor.php
+++ b/src/Bundle/ChillPersonBundle/Household/MembersEditor.php
@@ -21,7 +21,7 @@ class MembersEditor
 
     public function __construct(ValidatorInterface $validator, ?Household $household)
     {
-        $this->validation = $validator;
+        $this->validator = $validator;
         $this->household = $household;
     }
     
@@ -92,7 +92,7 @@ class MembersEditor
 
     public function validate(): ConstraintViolationListInterface
     {
-
+        return $this->validator->validate($this->getHousehold(), null, [ "memberships" ]);
     }
 
     public function getPersistable(): array
@@ -100,6 +100,7 @@ class MembersEditor
         return $this->persistables;
     }
 
+
     public function getHousehold(): ?Household
     {
         return $this->household;
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/api.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/api.js
index 8f3d07d63..27318ba0a 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/api.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/api.js
@@ -16,32 +16,13 @@ const householdMove = (payload) => {
        if (response.ok) {
          return response.json();
        }
-       throw Error('Error with testing move'); 
-    });
-};
-
-const householdMoveTest = (payload) => {
-   const url = `/api/1.0/person/household/members/move/test.json`;
-   return fetch(url, {
-     method: 'POST',
-     headers: {
-        'Content-Type': 'application/json',
-     },
-     body: JSON.stringify(payload),
-    })
-    .then(response => {
        if (response.status === 422) {
          return response.json();
        }
-       if (response.ok) {
-         // return an empty array if ok
-         return new Promise((resolve, reject) => resolve({ violations: [] }) );
-       }
        throw Error('Error with testing move'); 
     });
 };
 
 export { 
   householdMove,
-  householdMoveTest
 };
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/components/Confirmation.vue b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/components/Confirmation.vue
index cc97d7ef9..cc09f3c0b 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/components/Confirmation.vue
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/components/Confirmation.vue
@@ -12,6 +12,9 @@
     <li v-for="(msg, index) in warnings">
       {{ $t(msg.m, msg.a) }}
     </li>
+    <li v-for="msg in errors">
+      {{ msg }}
+    </li>
   </ul>  
 
   <ul class="record_actions sticky-form-buttons">
@@ -34,8 +37,9 @@ export default {
   computed: {
     ...mapState({
       warnings: (state) => state.warnings,
-      hasNoWarnings: (state) => state.warnings.length === 0,
-      hasWarnings: (state) => state.warnings.length > 0,
+      errors: (state) => state.errors,
+      hasNoWarnings: (state) => state.warnings.length === 0 && state.errors.length === 0,
+      hasWarnings: (state) => state.warnings.length > 0 || state.errors.length > 0,
     }),
   },
   methods: {
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/store/index.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/store/index.js
index 32eb5b722..31ee5a7c3 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/store/index.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/HouseholdMembersEditor/store/index.js
@@ -26,6 +26,7 @@ const store = createStore({
     allowLeaveWithoutHousehold: window.household_members_editor_data.allowLeaveWithoutHousehold,
     forceLeaveWithoutHousehold: false,
     warnings: [],
+    errors: []
   },
   getters: {
     isHouseholdNew(state) {
@@ -162,6 +163,9 @@ const store = createStore({
     setWarnings(state, warnings) {
       state.warnings = warnings;
     },
+    setErrors(state, errors) {
+      state.errors = errors;
+    },
   },
   actions: {
     addConcerned({ commit, dispatch }, person) {
@@ -216,19 +220,33 @@ const store = createStore({
 
       commit('setWarnings', warnings);
     },
-    confirm({ getters, state }) {
+    confirm({ getters, state, commit }) {
       let payload = getters.buildPayload,
+        errors = [],
         person_id,
-        household_id;
-      householdMove(payload).then(household => {
-        if (household === null) {
-          person_id = getters.persons[0].id;
-          window.location.replace(`/fr/person/${person_id}/general`);
-        } else {
-          household_id = household.id;
-          // nothing to do anymore here, bye-bye !
-          window.location.replace(`/fr/person/household/${household_id}/members`);
-        }
+        household_id,
+        error
+      ;
+
+        householdMove(payload).then(household => {
+          if (household === null) {
+            person_id = getters.persons[0].id;
+            window.location.replace(`/fr/person/${person_id}/general`);
+          } else {
+            if (household.type === 'household') {
+              household_id = household.id;
+              // nothing to do anymore here, bye-bye !
+              window.location.replace(`/fr/person/household/${household_id}/members`);
+            } else {
+              // we assume the answer was 422...
+              error = household;
+              for (let e in error.violations) {
+                errors.push('TODO'); 
+              }
+
+              commit('setErrors', errors);
+            }
+          }
       });
     },
   }
diff --git a/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolder.php b/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolder.php
index 6b56fe1ce..62ddc2420 100644
--- a/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolder.php
+++ b/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolder.php
@@ -12,4 +12,8 @@ class MaxHolder extends Constraint
     public $message = 'household.max_holder_overflowed';
     public $messageInfinity = 'household.max_holder_overflowed_infinity';
 
+    public function getTargets()
+    {
+        return self::CLASS_CONSTRAINT;
+    }
 }
diff --git a/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolderValidator.php b/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolderValidator.php
index 3d945c757..6a8571c38 100644
--- a/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolderValidator.php
+++ b/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolderValidator.php
@@ -31,7 +31,7 @@ class MaxHolderValidator extends ConstraintValidator
 
         if ($covers->hasIntersections()) {
             foreach ($covers->getIntersections() as list($start, $end, $ids)) {
-                $msg = $end === null ? $constraint->messageEndInfinite : 
+                $msg = $end === null ? $constraint->messageInfinity :
                     $constraint->message;
 
                 $this->context->buildViolation($msg)