diff --git a/workflow/engine/classes/model/AppDelegation.php b/workflow/engine/classes/model/AppDelegation.php
index c28d594a6..06cc09dde 100755
--- a/workflow/engine/classes/model/AppDelegation.php
+++ b/workflow/engine/classes/model/AppDelegation.php
@@ -576,5 +576,30 @@ class AppDelegation extends BaseAppDelegation
         $data = $oRuleSet->getRow();
         return $data['TAS_UID'];
     }
+    
+    /**
+    * Verify if the current case is already routed.
+    *
+    * @param string $AppUid the uid of the application
+    * @return array $Fields the fields
+    */
+
+    public function alreadyRouted ($appUid, $sDelIndex)
+    {
+        $c = new Criteria("workflow");
+        $c->clearSelectColumns();
+        $c->addSelectColumn(AppDelegationPeer::APP_UID);
+        $c->add(AppDelegationPeer::APP_UID, $appUid);
+        $c->add(AppDelegationPeer::DEL_INDEX, $sDelIndex);
+        $c->add(AppDelegationPeer::DEL_FINISH_DATE, null, Criteria::ISNOTNULL);
+        $result = AppDelegationPeer::doSelectRS($c);
+        $result->setFetchmode(ResultSet::FETCHMODE_ASSOC);
+        if($result->next()) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
 }
 
diff --git a/workflow/engine/methods/cases/cases_Step.php b/workflow/engine/methods/cases/cases_Step.php
index 0ff76c553..872daac9e 100755
--- a/workflow/engine/methods/cases/cases_Step.php
+++ b/workflow/engine/methods/cases/cases_Step.php
@@ -1,4 +1,11 @@
 <?php
+require_once 'classes/model/AppDelegation.php';
+$delegation = new AppDelegation();
+if( $delegation->alreadyRouted($_SESSION['APPLICATION'],$_SESSION['INDEX']) ) {  
+    G::header('location: ../cases/casesListExtJs');
+    die();
+}  
+
 if (!isset($_SESSION['USER_LOGGED'])) {
       G::SendTemporalMessage( 'ID_LOGIN_AGAIN', 'warning', 'labels' );
       die( '<script type="text/javascript">