diff --git a/IRaCIS.Core.Application/Service/Visit/DTO/ClinicalStudySubjects.cs b/IRaCIS.Core.Application/Service/Visit/DTO/ClinicalStudySubjects.cs
index af172edac..d2dfa6516 100644
--- a/IRaCIS.Core.Application/Service/Visit/DTO/ClinicalStudySubjects.cs
+++ b/IRaCIS.Core.Application/Service/Visit/DTO/ClinicalStudySubjects.cs
@@ -143,6 +143,8 @@ namespace IRaCIS.Application.Contracts
 
         public string SuspendReason { get; set; }
 
+        public string BackReason { get; set; } = string.Empty;
+
     }