diff --git a/PROMS/VEPROMS User Interface/dlgApproveProcedure.cs b/PROMS/VEPROMS User Interface/dlgApproveProcedure.cs
index 1c6a2133..59afaea8 100644
--- a/PROMS/VEPROMS User Interface/dlgApproveProcedure.cs	
+++ b/PROMS/VEPROMS User Interface/dlgApproveProcedure.cs	
@@ -1084,6 +1084,9 @@ namespace VEPROMS
 					}
 					else if (revision.Notes != RevNote || revision.RevisionDate != ap.RevDate)
 					{
+						//C2016-036 - Inform the user that an existing approved version will be replaced
+						if (MessageBox.Show("Replace Existing Revision " + ap.RevNumber + "\r\n\r\nChange the Rev Number to create a new revision.", "Replace Existing", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.Cancel)
+							return false;
 						revision.Notes = RevNote;
 						revision.RevisionDate = ap.RevDate;
 						revision = revision.Save();
@@ -1104,6 +1107,9 @@ namespace VEPROMS
 					}
 					else if (revision.Notes != RevNote || revision.RevisionDate != ap.RevDate)
 					{
+						//C2016-036 - Inform the user that an existing approved version will be replaced
+						if (MessageBox.Show("Replace Existing Revision " + ap.RevNumber + "\r\n\r\nChange the Rev Number to create a new revision.", "Replace Existing", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.Cancel)
+							return false;
 						revision.Notes = RevNote;
 						revision.RevisionDate = ap.RevDate;
 						revision = revision.Save();