diff --git a/PROMS/Volian.Controls.Library/StepTabRibbon.cs b/PROMS/Volian.Controls.Library/StepTabRibbon.cs
index 869094d1..a23cd22d 100644
--- a/PROMS/Volian.Controls.Library/StepTabRibbon.cs
+++ b/PROMS/Volian.Controls.Library/StepTabRibbon.cs
@@ -1586,6 +1586,11 @@ namespace Volian.Controls.Library
         btnPasteReplace.Enabled = btnCMPasteReplace.Enabled = false; // don't replace itself
         return;
       }
+			if (MyItemInfo.IsSupInfoPart)		// before and after are always false:
+			{
+				btnPasteAfter.Enabled = btnCMPasteAfter.Enabled = false;
+				btnPasteBefore.Enabled = btnCMPasteBefore.Enabled = false;
+			}
 			// for now (Jan 2016 - initial implementation of enhanced document support) do NOT paste any step (MyCopyStep) that has enhanced data associated
 			// with it unless pasting within a enhanced source document.  The reason is that code would need to handle clearing the pasted enhanced config
 			// data if it is pasted into a non-enhanced location.