diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Cases.php b/workflow/engine/src/ProcessMaker/BusinessModel/Cases.php
index 0b39df0d3..e8cbbb428 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Cases.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Cases.php
@@ -2887,6 +2887,53 @@ class Cases
 
         $dataResponse = $data;
 
+        //Verify data
+        $arrayCasesToReassign = $data['cases'];
+
+        $arrayMsg = [];
+
+        foreach($arrayCasesToReassign as $key => $value) {
+            $appDelegation = \AppDelegationPeer::retrieveByPK($value['APP_UID'], $value['DEL_INDEX']);
+
+            if (is_null($appDelegation)) {
+                $arrayMsg[] = [
+                    'app_uid' => $value['APP_UID'],
+                    'del_index' => $value['DEL_INDEX'],
+                    'result' => 0,
+                    'status' => 'DELEGATION_NOT_EXISTS'
+                ];
+            }
+        }
+
+        if (!empty($arrayMsg)) {
+            return  ['cases' => $arrayMsg];
+        }
+
+        $task = new \ProcessMaker\BusinessModel\Task();
+        $userUid = $data['usr_uid_target'];
+
+        foreach($arrayCasesToReassign as $value) {
+            $appDelegation = \AppDelegationPeer::retrieveByPK($value['APP_UID'], $value['DEL_INDEX']);
+
+            //Verify data
+            $taskUid = $appDelegation->getTasUid();
+
+            $flagBoolean = $task->checkUserOrGroupAssignedTask($taskUid, $userUid);
+
+            if (!$flagBoolean) {
+                $arrayMsg[] = [
+                    'app_uid' => $value['APP_UID'],
+                    'del_index' => $value['DEL_INDEX'],
+                    'result' => 0,
+                    'status' => 'USER_NOT_ASSIGNED_TO_TASK'
+                ];
+            }
+        }
+
+        if (!empty($arrayMsg)) {
+            return  ['cases' => $arrayMsg];
+        }
+
         G::LoadClass( 'case' );
         $oCases = new \Cases();
         $appDelegation = new \AppDelegation();
@@ -2908,6 +2955,7 @@ class Cases
                 $reassigned = $oCases->reassignCase($val['APP_UID'], $val['DEL_INDEX'], $usrUid, $data['usr_uid_target']);
                 $result = $reassigned ? 1 : 0 ;
                 $dataResponse['cases'][$key]['result'] = $result;
+                $dataResponse['cases'][$key]['status'] = 'SUCCESS';
             }
         }
         unset($dataResponse['usr_uid_target']);
diff --git a/workflow/engine/src/ProcessMaker/BusinessModel/Task.php b/workflow/engine/src/ProcessMaker/BusinessModel/Task.php
index fc2480704..7dc2ff380 100644
--- a/workflow/engine/src/ProcessMaker/BusinessModel/Task.php
+++ b/workflow/engine/src/ProcessMaker/BusinessModel/Task.php
@@ -1972,4 +1972,52 @@ class Task
         );
         return $aTypes;
     }
+
+    /**
+     * Check user to group assigned Task (Normal and/or Ad-Hoc Users)
+     *
+     * @param string $taskUid Unique uid of Task
+     * @param string $userUid Unique uid of User
+     *
+     * return bool
+     */
+    public function checkUserOrGroupAssignedTask($taskUid, $usrUid)
+    {
+        $criteriaUser = new \Criteria('workflow');
+
+        $criteriaUser->add(\TaskUserPeer::TAS_UID, $taskUid, \Criteria::EQUAL);
+        $criteriaUser->add(\TaskUserPeer::USR_UID, $usrUid, \Criteria::EQUAL);
+        $criteriaUser->add(\TaskUserPeer::TU_RELATION, 1, \Criteria::EQUAL);
+
+        $rsCriteria = \TaskUserPeer::doSelectRS($criteriaUser);
+        $rsCriteria->setFetchmode(\ResultSet::FETCHMODE_ASSOC);
+
+        if ($rsCriteria->next()) {
+            return true;
+        }
+
+        $criteriaGroup = new \Criteria('workflow');
+
+        $criteriaGroup->addSelectColumn(\TaskUserPeer::USR_UID);
+
+        $criteriaGroup->add(\TaskUserPeer::TAS_UID, $taskUid, \Criteria::EQUAL);
+        $criteriaGroup->add(\TaskUserPeer::TU_RELATION, 2, \Criteria::EQUAL);
+
+        $rsCriteriaGroup = \TaskUserPeer::doSelectRS($criteriaGroup);
+        $rsCriteriaGroup->setFetchmode(\ResultSet::FETCHMODE_ASSOC);
+
+        while ($rsCriteriaGroup->next()) {
+            $row = $rsCriteriaGroup->getRow();
+            $groupUid = $row['USR_UID'];
+
+            $obj = \GroupUserPeer::retrieveByPK($groupUid, $usrUid);
+
+            if (!is_null($obj)) {
+                return true;
+            }
+        }
+
+        //Return
+        return false;
+    }
 }
diff --git a/workflow/engine/src/ProcessMaker/Services/Api/Cases.php b/workflow/engine/src/ProcessMaker/Services/Api/Cases.php
index 46a9e26cc..2ada81dfc 100644
--- a/workflow/engine/src/ProcessMaker/Services/Api/Cases.php
+++ b/workflow/engine/src/ProcessMaker/Services/Api/Cases.php
@@ -29,6 +29,53 @@ class Cases extends Api
         "note_date"
     ];
 
+    public function __isAllowed()
+    {
+        try {
+            $methodName = $this->restler->apiMethodInfo->methodName;
+
+            switch ($methodName) {
+                case 'doPostReassign':
+                    $arrayParameters = $this->parameters[0]['cases'];
+                    $usrUid = $this->getUserId();
+
+                    //Check if the user is supervisor process
+                    $case = new \ProcessMaker\BusinessModel\Cases();
+                    $supervisor = new \ProcessMaker\BusinessModel\ProcessSupervisor();
+                    $user = new \ProcessMaker\BusinessModel\User();
+
+                    $count = 0;
+
+                    foreach ($arrayParameters as $value) {
+                        $arrayApplicationData = $case->getApplicationRecordByPk($value['APP_UID'], [], false);
+
+                        if (!empty($arrayApplicationData)) {
+                            $supervisor = new \ProcessMaker\BusinessModel\ProcessSupervisor();
+                            $flagps = $supervisor->isUserProcessSupervisor($arrayApplicationData['PRO_UID'], $usrUid);
+
+                            if ($flagps) {
+                                if (!$user->checkPermission($usrUid, 'PM_REASSIGNCASE')) {
+                                    $count = $count + 1;
+                                }
+                            } else {
+                                $count = $count + 1;
+                            }
+                        }
+                    }
+
+                    if ($count == 0) {
+                        return true;
+                    }
+                    break;
+            }
+
+            //Return
+            return false;
+        } catch (\Exception $e) {
+            throw new RestException(Api::STAT_APP_EXCEPTION, $e->getMessage());
+        }
+    }
+
     /**
      * Get list Cases To Do
      *
@@ -1154,6 +1201,11 @@ class Cases extends Api
      * Batch reassign
      * @url POST /reassign
      *
+     * @access protected
+     * @class  AccessControl {@className \ProcessMaker\Services\Api\Cases}
+     *
+     * @param array $request_data
+     *
      */
     public function doPostReassign($request_data)
     {
@@ -1165,5 +1217,4 @@ class Cases extends Api
             throw new RestException(Api::STAT_APP_EXCEPTION, $e->getMessage());
         }
     }
-
 }