diff --git a/application/src/Domain/LawManagement/LawPermissionCheckerService.php b/application/src/Domain/LawManagement/LawPermissionCheckerService.php
index eddc576..6a06093 100644
--- a/application/src/Domain/LawManagement/LawPermissionCheckerService.php
+++ b/application/src/Domain/LawManagement/LawPermissionCheckerService.php
@@ -83,12 +83,8 @@ final class LawPermissionCheckerService implements LawPermissionCheckerServiceIn
     private function memberExist(RightInterface $right, SourceInterface $recieverSource): bool
     {
         $rightMemberInformation = new SourceMemberInformation($right->getReciever());
-//         $rightMemberSources = $rightMemberInformation->getAllMembers();
-        $rightMemberSources = new ArrayCollection();
+        $rightMemberSources = $rightMemberInformation->getAllMembers();
         foreach ($rightMemberSources as $memberSource) {
-//             var_dump($memberSource);
-//             echo "______________________________";
-//             var_dump($recieverSource);
             if ($memberSource === $recieverSource) {
                 return true;
             }
diff --git a/application/src/Domain/SourceManagement/SourceMemberInformation.php b/application/src/Domain/SourceManagement/SourceMemberInformation.php
index d920e65..ace1c69 100644
--- a/application/src/Domain/SourceManagement/SourceMemberInformation.php
+++ b/application/src/Domain/SourceManagement/SourceMemberInformation.php
@@ -6,6 +6,8 @@ use Doctrine\Common\Collections\Collection;
 use App\Entity\Source\SourceInterface;
 use Doctrine\Common\Collections\ArrayCollection;
 use App\Entity\Attribut\MemberRelationAttributInterface;
+use App\Entity\Meta\Relation\Member\MemberRelationInterface;
+use App\Entity\EntityInterface;
 
 final class SourceMemberInformation implements SourceMemberInformationInterface
 {
@@ -31,12 +33,47 @@ final class SourceMemberInformation implements SourceMemberInformationInterface
     {
         foreach ($members as $member) {
             if (!$this->members->contains($member)) {
-                $this->members->add($member);
-                $this->itterateOverMembers($member->getMemberRelation()->getMembers());
+                $this->addMemberSource($member);
+                $this->itterateOverMembers($this->getMemberMembers($member));
             }
         }
     }
 
+    /**
+     * @todo Implement tests!
+     *
+     * @param EntityInterface $member
+     */
+    private function addMemberSource(EntityInterface $member): void
+    {
+        if ($member instanceof MemberRelationInterface) {
+            $this->members->add($member->getSource());
+        } else {
+            $this->members->add($member);
+        }
+    }
+
+    /**
+     * @todo Implement tests
+     *
+     * @param EntityInterface $member
+     *
+     * @return Collection
+     */
+    private function getMemberMembers(EntityInterface $member): Collection
+    {
+        if ($member instanceof MemberRelationInterface) {
+            return $member->getMembers();
+        }
+
+        return $member->getMemberRelation()->getMembers();
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @see \App\Domain\SourceManagement\SourceMemberInformationInterface::getAllMembers()
+     */
     public function getAllMembers(): Collection
     {
         $this->members = new ArrayCollection();