diff --git a/src/Service/CguUserService.php b/src/Service/CguUserService.php
index a6f2961..cd104ef 100644
--- a/src/Service/CguUserService.php
+++ b/src/Service/CguUserService.php
@@ -50,4 +50,13 @@ class CguUserService
         $cguUser->setIsAccepted(true);
         $this->entityManager->flush();
     }
+    
+    //Function can only be called if the user has already accepted the CGU
+    public function declineCgu(UserInterface $user, Cgu $cgu): void
+    {
+        $cguUser = $this->entityManager->getRepository(CguUser::class)->findOneBy(['users' => $user, 'cgu' => $cgu]);
+        
+        $cguUser->setIsAccepted(false);
+        $this->entityManager->flush();
+    }
 }