diff --git a/application/src/Controller/API/Meta/HeredityApiController.php b/application/src/Controller/API/Meta/HeredityApiController.php
new file mode 100644
index 0000000..ae0c607
--- /dev/null
+++ b/application/src/Controller/API/Meta/HeredityApiController.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Controller\API\Meta;
+
+use App\Controller\API\AbstractAPIController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class HeredityApiController extends AbstractAPIController
+{
+    public function read(Request $request, $identifier): Response
+    {
+    }
+
+    public function create(Request $request): Response
+    {
+    }
+
+    public function update(Request $request, $identifier): Response
+    {
+    }
+
+    public function list(Request $request): Response
+    {
+    }
+
+    public function delete(Request $request, $identifier): Response
+    {
+    }
+}
diff --git a/application/src/Controller/API/Meta/MemberApiController.php b/application/src/Controller/API/Meta/MemberApiController.php
new file mode 100644
index 0000000..418e16a
--- /dev/null
+++ b/application/src/Controller/API/Meta/MemberApiController.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Controller\API\Meta;
+
+use App\Controller\API\AbstractAPIController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class MemberApiController extends AbstractAPIController
+{
+    public function read(Request $request, $identifier): Response
+    {
+    }
+
+    public function create(Request $request): Response
+    {
+    }
+
+    public function update(Request $request, $identifier): Response
+    {
+    }
+
+    public function list(Request $request): Response
+    {
+    }
+
+    public function delete(Request $request, $identifier): Response
+    {
+    }
+}
diff --git a/application/src/DBAL/Types/Meta/Right/LayerType.php b/application/src/DBAL/Types/Meta/Right/LayerType.php
index 972da9b..c46b424 100644
--- a/application/src/DBAL/Types/Meta/Right/LayerType.php
+++ b/application/src/DBAL/Types/Meta/Right/LayerType.php
@@ -9,7 +9,9 @@ use Fresh\DoctrineEnumBundle\DBAL\Types\AbstractEnumType;
  */
 final class LayerType extends AbstractEnumType
 {
-    public const RELATION = 'relation';
+    public const HEREDITY = 'heredity';
+
+    public const RIGHT = 'right';
 
     public const SOURCE = 'source';
 
@@ -17,9 +19,14 @@ final class LayerType extends AbstractEnumType
 
     public const MEMBER = 'member';
 
+    /**
+     * @var array Ordered by the importants of implementation
+     */
     protected static $choices = [
-        self::RELATION => 'relation',
-        self::LAW => 'law',
         self::SOURCE => 'source',
+        self::LAW => 'law',
+        self::RIGHT => 'right',
+        self::MEMBER => 'member',
+        self::HEREDITY => 'heredity',
     ];
 }
diff --git a/application/tests/Unit/Domain/RightManagement/RightCheckerTest.php b/application/tests/Unit/Domain/RightManagement/RightCheckerTest.php
index c0be286..1f13485 100644
--- a/application/tests/Unit/Domain/RightManagement/RightCheckerTest.php
+++ b/application/tests/Unit/Domain/RightManagement/RightCheckerTest.php
@@ -41,7 +41,7 @@ class RightCheckerTest extends TestCase
 
     public function setUp(): void
     {
-        $this->layer = LayerType::RELATION;
+        $this->layer = LayerType::MEMBER;
         $this->type = CRUDType::READ;
         $this->source = new PureSource();
         $this->right = new Right();
diff --git a/application/tests/Unit/Entity/Attribut/LayerAttributTest.php b/application/tests/Unit/Entity/Attribut/LayerAttributTest.php
index 13affff..8c022b5 100644
--- a/application/tests/Unit/Entity/Attribut/LayerAttributTest.php
+++ b/application/tests/Unit/Entity/Attribut/LayerAttributTest.php
@@ -29,11 +29,7 @@ class LayerAttributTest extends TestCase
 
     public function testAccessors(): void
     {
-        foreach ([
-            LayerType::LAW,
-            LayerType::RELATION,
-            LayerType::SOURCE,
-        ] as $value) {
+        foreach (LayerType::getChoices() as $value) {
             $this->assertNull($this->layer->setLayer($value));
             $this->assertEquals($value, $this->layer->getLayer());
         }