diff --git a/Craftgate/Request/CreateMemberRequest.cs b/Craftgate/Request/CreateMemberRequest.cs
index ed7d67a..63cb4d6 100644
--- a/Craftgate/Request/CreateMemberRequest.cs
+++ b/Craftgate/Request/CreateMemberRequest.cs
@@ -22,6 +22,7 @@ public class CreateMemberRequest
         [Obsolete("deprecated since version 1.0.45. use CreateWalletRequest.NegativeAmountLimit instead.")]
         public decimal? NegativeWalletAmountLimit { get; set; }
 
+        public decimal? SubMerchantMaximumAllowedNegativeBalance { get; set; }
         public bool? IsBuyer { get; set; }
         public bool? IsSubMerchant { get; set; }
     }
diff --git a/Craftgate/Request/UpdateMemberRequest.cs b/Craftgate/Request/UpdateMemberRequest.cs
index fc0e23d..caa9008 100644
--- a/Craftgate/Request/UpdateMemberRequest.cs
+++ b/Craftgate/Request/UpdateMemberRequest.cs
@@ -22,6 +22,7 @@ public class UpdateMemberRequest
         [Obsolete("deprecated since version 1.0.45. use CreateWalletRequest.NegativeAmountLimit instead.")]
         public decimal? NegativeWalletAmountLimit { get; set; }
 
+        public decimal? SubMerchantMaximumAllowedNegativeBalance { get; set; }
         public bool? IsBuyer { get; set; }
         public bool? IsSubMerchant { get; set; }
     }