diff --git a/modules/axelor-open-suite/axelor-stock/src/main/java/com/axelor/apps/stock/web/StockMoveController.java b/modules/axelor-open-suite/axelor-stock/src/main/java/com/axelor/apps/stock/web/StockMoveController.java
index 8601380..9d8ff38 100644
--- a/modules/axelor-open-suite/axelor-stock/src/main/java/com/axelor/apps/stock/web/StockMoveController.java
+++ b/modules/axelor-open-suite/axelor-stock/src/main/java/com/axelor/apps/stock/web/StockMoveController.java
@@ -611,4 +611,52 @@ public class StockMoveController {
         }
     } 
     }
+	
+	
+	// controler les sequences pour les livraisons client => bloc si ne sont pas séquentielle
+    public void controleSequenceBL(ActionRequest request, ActionResponse response) throws AxelorException {
+      
+        StockMove stockMove = request.getContext().asType(StockMove.class);
+        
+
+        if(stockMove.getTypeSelect() == StockMoveRepository.TYPE_OUTGOING &&
+        stockMove.getIsReversion() == false && stockMove.getPartner().getId() != 853){
+
+            int currentYear = Beans.get(AppBaseService.class).getTodayDateTime().getYear();
+            String[] splityear = Integer.toString(currentYear).split("20");
+            String year ="BL"+splityear[1];
+            Query q =
+                  JPA.em()
+                      .createQuery(
+                          " select stockMoveSeq from StockMove where stockMoveSeq like ?1 and stockMoveSeq != ?2"+
+                          " and LENGTH(stock_move_seq) = 9 and partner != 853 and is_reversion = false "+
+                          " ORDER BY stockMoveSeq DESC",
+                          String.class);
+              q.setParameter(1, year + "%" );
+              q.setParameter(2, stockMove.getStockMoveSeq());
+            
+
+          if (q.getResultList().size() > 0) { 
+            List<String> squences = q.getResultList();
+            String maxNumberString = squences.get(0);
+            String[] a = maxNumberString.split(year);
+            Integer maxNumber = Integer.parseInt(a[1]);
+              
+            String originNumberString = stockMove.getStockMoveSeq();
+            String[] b = originNumberString.split(year);
+            Integer originNumber = Integer.parseInt(b[1]);
+
+
+            Integer nextNumber = maxNumber+1;
+            String padding = "00000".substring(nextNumber.toString().length()) + nextNumber.toString();
+            if(nextNumber != originNumber && originNumber > nextNumber){
+              throw new AxelorException(
+              stockMove,
+              TraceBackRepository.CATEGORY_CONFIGURATION_ERROR,
+              "please correct current sequence to: "+year+padding
+              );          
+            }
+          }
+       }        
+     }
 }