diff --git a/PROMS/Volian.Controls.Library/vlnTreeView.cs b/PROMS/Volian.Controls.Library/vlnTreeView.cs
index 89c01e31..c925ea00 100644
--- a/PROMS/Volian.Controls.Library/vlnTreeView.cs
+++ b/PROMS/Volian.Controls.Library/vlnTreeView.cs
@@ -1294,25 +1294,26 @@ namespace Volian.Controls.Library
 					if (ri.LatestVersion.PDF != null)
 					{
 						MenuItem mirp = mir.MenuItems.Add("View Procedure");
-						mirp.Tag = ri;
+						mirp.Tag = ri.RevisionID;
 						mirp.Click += new EventHandler(MultiUnitApprovedRevision_Click);
 					}
 					if (ri.LatestVersion.SummaryPDF != null)
 					{
 						MenuItem mirs = mir.MenuItems.Add("View Summary of Changes");
-						mirs.Tag = ri;
+						mirs.Tag = ri.RevisionID;
 						mirs.Click += new EventHandler(MultiUnitSummaryOfChanges_Click);
 					}
 					if (ri.LatestVersion.ApprovedXML != null && ri.LatestVersion.ApprovedXML != "")
 					{
 						MenuItem miri = mir.MenuItems.Add("Create Procedure to Import");
-						miri.Tag = ri;
+						miri.Tag = ri.RevisionID;
 						miri.Click += new EventHandler(ImportProcedure_Click);
 					}
 
 					//end added jcb 20111031
 					mv.Tag = lastApprovedRevisionID;
 				}
+				ril = null;
 			}
 		}
 		public void AddNewNode(IVEDrillDownReadOnly o)
@@ -1404,7 +1405,8 @@ namespace Volian.Controls.Library
 
 		void ImportProcedure_Click(object sender, EventArgs e)
 		{
-			RevisionInfo ri = (sender as MenuItem).Tag as RevisionInfo;
+			//RevisionInfo ri = (sender as MenuItem).Tag as RevisionInfo;
+			RevisionInfo ri = RevisionInfo.Get(int.Parse((sender as MenuItem).Tag.ToString()));
 			RevisionConfig rc = ri.MyConfig as RevisionConfig;
 			// bug fix:  B2016-183 - add the child's name (ex Unit 1) to the export file name for Parent/Child procedures.
 			int applIdx = rc.Applicability_Index;
@@ -1428,7 +1430,8 @@ namespace Volian.Controls.Library
 			bool superceded = false;
 			MenuItem mi = sender as MenuItem;
 			if (mi == null) return;
-			RevisionInfo ri = mi.Tag as RevisionInfo;
+			//RevisionInfo ri = mi.Tag as RevisionInfo;
+			RevisionInfo ri = RevisionInfo.Get(int.Parse(mi.Tag.ToString()));
 			{
 				MenuItem mip = mi.Parent as MenuItem;
 				//B2021-086 Added the check for the last revision stage is an Approved stage
@@ -1444,7 +1447,8 @@ namespace Volian.Controls.Library
 			bool superceded = false;
 			MenuItem mi = sender as MenuItem;
 			if (mi == null) return;
-			RevisionInfo ri = mi.Tag as RevisionInfo;
+			//RevisionInfo ri = mi.Tag as RevisionInfo;
+			RevisionInfo ri = RevisionInfo.Get(int.Parse(mi.Tag.ToString()));
 			{
 				MenuItem mip = mi.Parent as MenuItem;
 				//B2021-086 Added the check for the last revision stage is an Approved stage
@@ -1470,7 +1474,8 @@ namespace Volian.Controls.Library
 		{
 			MenuItem mi = sender as MenuItem;
 			if (mi == null) return;
-			RevisionInfo ri = mi.Tag as RevisionInfo;
+			//RevisionInfo ri = mi.Tag as RevisionInfo;
+			RevisionInfo ri = RevisionInfo.Get(int.Parse(mi.Tag.ToString()));
 			ItemInfo ii = ItemInfo.Get(ri.ItemID);
 			ii.MyDocVersion.DocVersionConfig.SelectedSlave = ri.MyConfig.Applicability_Index;
 			vlnTreeViewPdfArgs args = new vlnTreeViewPdfArgs(Volian.Base.Library.TmpFile.CreateFileName(ProcedureInfo.Get(ri.ItemID).PDFNumber + " Summary of Changes"), ri.LatestVersion.SummaryPDF, "");