diff --git a/bsmd.database/IMDGPosition.cs b/bsmd.database/IMDGPosition.cs
index e8d4eef5..4cd7f97b 100644
--- a/bsmd.database/IMDGPosition.cs
+++ b/bsmd.database/IMDGPosition.cs
@@ -139,14 +139,17 @@ namespace bsmd.database
 
         [ShowReport]
         [ENI2Validation]
+        [Validation(ValidationCode.DOUBLE_GT_ZERO)]
         public double? NetQuantity_KGM { get; set; }
 
         [ShowReport]
         [ENI2Validation]
+        [Validation(ValidationCode.DOUBLE_GT_ZERO)]
         public double? GrossQuantity_KGM { get; set; }
 
         [ShowReport]
         [ENI2Validation]
+        [Validation(ValidationCode.DOUBLE_GT_ZERO)]
         public double? Volume_MTQ { get; set; }
 
         [ShowReport]