diff --git a/app/Http/Controllers/UserGroupController.php b/app/Http/Controllers/UserGroupController.php
index b3b677b..fe437dd 100755
--- a/app/Http/Controllers/UserGroupController.php
+++ b/app/Http/Controllers/UserGroupController.php
@@ -125,24 +125,12 @@ class UserGroupController extends Controller
     }
 
     public function validateGroupDemand(Request $request)
-    {
-        $this->validate($request, [
-            'type' => 'required|in:creation,suppression',
-        ]);
-
-        if ($request->type == 'creation')
-            return $this->validateGroupCreationDemand($request);
-        if ($request->type == 'suppression')
-            return $this->validateDeletingGroupDemand($request);
-    }
-
-
-    private function validateGroupCreationDemand(Request $request)
     {
         $this->validate($request, [
             'id_demande' => 'required|integer|min:0|not_in:0',
             'id_user' => 'required|integer|min:0|not_in:0'
         ]);
+
         $demande = UsersGroupsDemandesValidation::findOrFail($request->id_demande);
         if ($demande->statut != 0)
             return $this->errorResponse(trans('errors.treated_group_demand'));
@@ -150,6 +138,19 @@ class UserGroupController extends Controller
         if ($demande->id_sponsor != $request->id_user)
             return $this->errorResponse(trans('errors.not_group_sponsor'));
 
+        if ($demande->type == 'creation')
+            return $this->validateGroupCreationDemand($request, $demande);
+        if ($demande->type == 'suppression')
+            return $this->validateDeletingGroupDemand($request, $demande);
+        if ($demande->type == 'adhesion')
+            return $this->validateMembershipGroupDemand($request, $demande);
+
+    }
+
+
+    private function validateGroupCreationDemand(Request $request, UsersGroupsDemandesValidation $demande)
+    {
+
         $sponsor = User::findOrFail($request->id_user);
         $group = UsersGroup::findOrFail($demande->id_group);
 
@@ -187,7 +188,6 @@ class UserGroupController extends Controller
         $this->validate($request, [
             'id_demande' => 'required|integer|min:0|not_in:0',
             'id_user' => 'required|integer|min:0|not_in:0',
-            'type' => 'required|in:creation,suppression',
         ]);
         $demande = UsersGroupsDemandesValidation::findOrFail($request->id_demande);
         if ($demande->statut != 0)
@@ -209,20 +209,28 @@ class UserGroupController extends Controller
         $data->data = new \stdClass();;
         $data->data->id = $request->id_demande;
 
-        if ($request->type == 'creation') {
+        if ($demande->type == 'creation') {
             $this->sendPushNotificationToUser($group->createur->user_code,
                 trans('notifications.refused_group_validation_request', ['name' => $sponsor->lastname . ' ' . $sponsor->firstname]), $data);
 
             return $this->successResponse(trans('messages.successful_refused_group_validation'));
         }
 
-        if ($request->type == 'suppression') {
+        if ($demande->type == 'suppression') {
             $this->sendPushNotificationToUser($group->createur->user_code,
                 trans('notifications.refused_group_deleting_request', ['name' => $sponsor->lastname . ' ' . $sponsor->firstname]), $data);
 
             return $this->successResponse(trans('messages.successful_refused_group_deleting'));
         }
 
+        if ($demande->type == 'adhesion') {
+            $user = User::findOrFail($demande->id_user);
+            $this->sendPushNotificationToUser($user->user_code,
+                trans('notifications.successful_canceled_group_membership_request', ['name' => $sponsor->lastname . ' ' . $sponsor->firstname]), $data);
+
+            return $this->successResponse(trans('messages.successful_refused_group_deleting'));
+        }
+
     }
 
     public function updateGroup(Request $request)
@@ -328,7 +336,7 @@ class UserGroupController extends Controller
     }
 
 
-    public function sendNotificationToSponsor($id_group, $id_sponsor, $sponsor_code, User $sender, $type = 'creation')
+    private function sendNotificationToSponsor($id_group, $id_sponsor, $sponsor_code, User $sender, $type = 'creation')
     {
         $demande = new UsersGroupsDemandesValidation();
         $demande->id_group = $id_group;
@@ -336,19 +344,32 @@ class UserGroupController extends Controller
         $demande->date_creation = new \DateTime();
         $demande->statut = false;
         $demande->type = $type;
-        $demande->save();
+
 
         $data = new \stdClass();
-        $data->screen = $type == 'creation' ? "demandeValidationGroupe" : "demandeSuppressionGroupe";
+
+        if ($type == 'creation') {
+            $data->screen = "demandeValidationGroupe";
+            $message_id = 'notifications.group_validation_request';
+        } else if ($type == 'suppression') {
+            $data->screen = "demandeSuppressionGroupe";
+            $message_id = 'notifications.group_deleting_request';
+        } else if ($type == 'adhesion') {
+            $demande->id_user = $sender->id;
+            $data->screen = "demandJoinGroup";
+            $message_id = 'notifications.group_membership_request';
+        } else {
+            $data->screen = "notificationview";
+            $message_id = 'notifications.group_deleting_request';
+        }
+
+        $demande->save();
         $data->data = new \stdClass();
         $data->data->id = $demande->id;
 
-        if ($type == 'creation')
-            $this->sendPushNotificationToUser($sponsor_code,
-                trans('notifications.group_validation_request', ['name' => $sender->lastname . ' ' . $sender->firstname]), $data);
-        else
-            $this->sendPushNotificationToUser($sponsor_code,
-                trans('notifications.group_deleting_request', ['name' => $sender->lastname . ' ' . $sender->firstname]), $data);
+        $this->sendPushNotificationToUser($sponsor_code,
+            trans($message_id, ['name' => $sender->lastname . ' ' . $sender->firstname]), $data);
+
     }
 
     public function getGroupDemand($id_demand)
@@ -387,7 +408,7 @@ ug.date_creation , ug.createur , ug.sponsor1 , ug.sponsor2 , ug.sponsor3, ug.cou
 
         $sponsor = User::where('user_code', $request->code_sponsor)->firstOrFail();
         if (!in_array($sponsor->id, [$group->id_sponsor1, $group->id_sponsor2, $group->id_sponsor3]))
-            return $this->errorResponse(trans('errors.not_group_sponsor'));
+            return $this->errorResponse(trans('errors.sponsor_code_not_match'));
 
         $user = User::findOrFail($request->id_user);
         if (isset($user->group_id))
@@ -403,13 +424,39 @@ ug.date_creation , ug.createur , ug.sponsor1 , ug.sponsor2 , ug.sponsor3, ug.cou
         if (!($identfication instanceof Identification))
             return $identfication;
 
+        // Notifier le sponsor
+        $this->sendNotificationToSponsor($group->id, $sponsor->id, $sponsor->user_code, $user, 'adhesion');
+        return $this->successResponse(trans('messages.successful_group_membership_request'));
+
+    }
+
+    private function validateMembershipGroupDemand(Request $request, UsersGroupsDemandesValidation $demande)
+    {
+
+        $sponsor = User::findOrFail($request->id_user);
+        $group = UsersGroup::findOrFail($demande->id_group);
+        if (!in_array($demande->id_sponsor, [$group->id_sponsor1, $group->id_sponsor2, $group->id_sponsor3]))
+            return $this->errorResponse(trans('errors.not_group_sponsor'));
+
+        $user = User::findOrFail($demande->id_user);
         $user->group_id = $group->id;
         $user->date_adhesion = new \DateTime();
         $user->save();
         ++$group->nombre_utilisateurs;
         $group->save();
-        // Notifier les determinants
-        return $this->successResponse(trans('messages.successful_group_adhesion'));
+
+        $demande->statut = true;
+        $demande->date_validation = new \DateTime();
+        $demande->save();
+        // Notififier l'utilisateur
+        $data = new \stdClass();
+        $data->screen = "notificationview";
+        $data->data = new \stdClass();;
+        $data->data->id = $request->id_demande;
+        $this->sendPushNotificationToUser($user->user_code,
+            trans('notifications.accepted_group_membership_request', ['name' => $sponsor->lastname . ' ' . $sponsor->firstname]), $data);
+
+        return $this->successResponse(trans('messages.successful_accepted_group_membership_request'));
 
     }
 
@@ -432,19 +479,8 @@ ug.date_creation , ug.createur , ug.sponsor1 , ug.sponsor2 , ug.sponsor3, ug.cou
 
     }
 
-    private function validateDeletingGroupDemand(Request $request)
+    private function validateDeletingGroupDemand(Request $request, UsersGroupsDemandesValidation $demande)
     {
-        $this->validate($request, [
-            'id_demande' => 'required|integer|min:0|not_in:0',
-            'id_user' => 'required|integer|min:0|not_in:0'
-        ]);
-
-        $demande = UsersGroupsDemandesValidation::findOrFail($request->id_demande);
-        if ($demande->statut != 0)
-            return $this->errorResponse(trans('errors.treated_group_demand'));
-
-        if ($demande->id_sponsor != $request->id_user)
-            return $this->errorResponse(trans('errors.not_group_sponsor'));
 
         $sponsor = User::findOrFail($request->id_user);
         $group = UsersGroup::findOrFail($demande->id_group);
diff --git a/app/Models/UsersGroupsDemandesValidation.php b/app/Models/UsersGroupsDemandesValidation.php
index 3e22b8f..70b3f78 100644
--- a/app/Models/UsersGroupsDemandesValidation.php
+++ b/app/Models/UsersGroupsDemandesValidation.php
@@ -15,6 +15,7 @@ use Illuminate\Database\Eloquent\Model;
  * @property int $id
  * @property int $id_group
  * @property int $id_sponsor
+ * @property int $id_user
  * @property int $statut
  * @property Carbon $date_validation
  * @property Carbon $date_creation
@@ -30,6 +31,7 @@ class UsersGroupsDemandesValidation extends Model
     protected $casts = [
         'id_group' => 'int',
         'id_sponsor' => 'int',
+        'id_user' => 'int',
         'statut' => 'int'
     ];
 
@@ -41,6 +43,7 @@ class UsersGroupsDemandesValidation extends Model
     protected $fillable = [
         'id_group',
         'id_sponsor',
+        'id_user',
         'statut',
         'date_validation',
         'date_creation',
diff --git a/resources/lang/en/errors.php b/resources/lang/en/errors.php
index 9539d43..8156c0d 100755
--- a/resources/lang/en/errors.php
+++ b/resources/lang/en/errors.php
@@ -52,5 +52,6 @@ Paying network : :network :country',
     "nano_credit_not_found" => "This nano credit request does not exist",
     "nano_credit_not_individual" => "This nano credit request is not individual",
     "last_nano_credit_not_refunded" => "Your last nano credit request was not refunded",
-    "nano_credit_already_refunded" => "Repayment of credit already made"
+    "nano_credit_already_refunded" => "Repayment of credit already made",
+    "sponsor_code_not_match" => "This sponsor code does not match to this group",
 ];
diff --git a/resources/lang/en/messages.php b/resources/lang/en/messages.php
index 1e1f25f..b1f49b1 100755
--- a/resources/lang/en/messages.php
+++ b/resources/lang/en/messages.php
@@ -152,7 +152,7 @@ Your new identification has been taken into account. Contact an iLink World agen
 Regards,
 iLinkWorld team.',
     'successful_user_group_modificated' => 'The group has been modified successfully. Awaiting validation from new sponsors to activate it',
-    'successful_group_adhesion' => 'Vous êtes désormais membre de ce groupe',
+    'successful_group_membership_request' => "Your membership request has been sent to the sponsor",
     'successful_user_group_deleted' => 'The group will be deleted after validation of the 3 sponsors',
     'successful_group_deleting' => 'Group deletion accepted. More than :count delete validation remaining | Group delete accepted. More than :count remaining delete validations',
     'successful_refused_group_validation' => 'Group validation refused',
@@ -208,4 +208,6 @@ Request Information:
    - Credit amount: :amount
    - Fees: :fees
    - Net amount received: :net",
+    'successful_accepted_group_membership_request' => "Membership request accepted",
+    'successful_canceled_group_membership_request' => "Membership request refused",
 ];
diff --git a/resources/lang/en/notifications.php b/resources/lang/en/notifications.php
index 71a4f0c..fca6f31 100755
--- a/resources/lang/en/notifications.php
+++ b/resources/lang/en/notifications.php
@@ -6,4 +6,7 @@ return [
     "accepted_group_deleting_request" => ":name has accepted your group deleting request",
     "refused_group_validation_request" => ":name has refused your group validation request",
     "refused_group_deleting_request" => ":name has refused your group deleting request",
+    "group_membership_request" => ":name has sent you a group membership request",
+    "accepted_group_membership_request" => ":name has accepted your group membership request",
+    "refused_group_membership_request" => ":name has refused your group membership request",
 ];
diff --git a/resources/lang/fr/errors.php b/resources/lang/fr/errors.php
index 2f77bac..29fad00 100755
--- a/resources/lang/fr/errors.php
+++ b/resources/lang/fr/errors.php
@@ -52,5 +52,6 @@ Réseau payeur : :network :country',
     "nano_credit_not_found" => "Cette demande de nano crédit n'existe pas",
     "nano_credit_not_individual" => "Cette demande de nano crédit n'est pas individuelle",
     "last_nano_credit_not_refunded" => "Votre derniere demande de nano crédit n'a pas été remboursée",
-    "nano_credit_already_refunded" => "Remboursement de crédit deja effectué"
+    "nano_credit_already_refunded" => "Remboursement de crédit deja effectué",
+    "sponsor_code_not_match" => "Ce code sponsor ne correspond pas à ce groupe",
 ];
diff --git a/resources/lang/fr/messages.php b/resources/lang/fr/messages.php
index 56806e1..63d395b 100755
--- a/resources/lang/fr/messages.php
+++ b/resources/lang/fr/messages.php
@@ -152,7 +152,7 @@ Votre nouvelle identification a bien été bien prise en compte. Rapprochez vous
 Cordialement,
 Equipe iLinkWorld.',
     'successful_user_group_modificated' => 'Le groupe a été modifié avec succes. En attente de validation des nouveaux sponsors pour l\'activer',
-    'successful_group_adhesion' => 'Vous êtes désormais membre de ce groupe',
+    'successful_group_membership_request' => "Votre demande d'adhésion a été envoyé au sponsor",
     'successful_user_group_deleted' => 'Le groupe sera supprimé après validation des 3 sponsors',
     'successful_group_deleting' => 'Suppression du groupe acceptée. Plus que :count validation de suppression restante|Suppression du groupe acceptée. Plus que :count validations de suppression restantes',
     'successful_refused_group_validation' => 'Validation du groupe refusée',
@@ -208,4 +208,6 @@ Informations de la demande :
   - Montant du crédit : :amount
   - Frais : :fees
   - Montant net à percu : :net",
+    'successful_accepted_group_membership_request' => "Demande d'adhésion acceptée",
+    'successful_canceled_group_membership_request' => "Demande d'adhésion refusée",
 ];
diff --git a/resources/lang/fr/notifications.php b/resources/lang/fr/notifications.php
index 77e7f71..2a9128a 100755
--- a/resources/lang/fr/notifications.php
+++ b/resources/lang/fr/notifications.php
@@ -6,4 +6,7 @@ return [
     "accepted_group_deleting_request" => ":name a accepté votre demande de suppression de groupe",
     "refused_group_deleting_request" => ":name a refusé votre demande de suppression de groupe",
     "refused_group_validation_request" => ":name a refusé votre demande de validation de groupe",
+    "group_membership_request" => ":name vous a envoyé une demande d'adhésion de groupe",
+    "accepted_group_membership_request" => ":name a accepté votre demande d'adhésion de groupe",
+    "refused_group_membership_request" => ":name a refusé votre demande d'adhésion de groupe",
 ];