diff --git a/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs b/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
index f260dd99..66389e26 100644
--- a/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
+++ b/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
@@ -3744,6 +3744,21 @@ namespace VEPROMS.CSLA.Library
 				return null;
 			}
 		}
+		// B2019-126 Check the HLS of the source document (ex. EOP step) to see if it includes the section number prefix in its tab
+		public bool LinkedTabHasSectionPrefix
+		{
+			get
+			{
+				EnhancedDocuments eds = GetMyEnhancedDocuments();
+				if (eds != null && eds.Count == 1 && eds[0].Type == 0)
+				{
+					ItemInfo srcItem = ItemInfo.Get(eds[0].ItemID);
+					if (srcItem != null) // B2018-097 handle a null reference
+						return ((srcItem.ActiveParent as ItemInfo).FormatStepData.TabData.IdentEdit.Contains("{Section Prefix}") && FormatStepData.TabData.IdentEdit.Contains("{Section Prefix}"));
+				}
+				return false;
+			}
+		}
 		public int? LinkedOrdinal
 		{
 			get
@@ -3888,7 +3903,7 @@ namespace VEPROMS.CSLA.Library
 				{
 					string tb = (LinkedOrdinal==null)? "NA" : LinkedOrdinal.ToString();
 					tbformat = tbformat.Replace("{LNK C/N Num}", tb);
-					if ((ActiveParent as ItemInfo).FormatStepData.TabData.IdentEdit.Contains("{Section Prefix}"))
+					if ((ActiveParent as ItemInfo).FormatStepData.TabData.IdentEdit.Contains("{Section Prefix}") && LinkedTabHasSectionPrefix) // B2019-126 Check the HLS of the source document (ex. EOP step) to see if it includes the section number prefix in its tab
 						tbformat = tbformat.Replace("{Section Prefix}",""); // B2018-141  remove duplicate section number
 					if ((ActiveParent as ItemInfo).LinkedTab != null)
 					tbformat = tbformat.Replace("{LNK Step Num}", (ActiveParent as ItemInfo).LinkedTab.Trim(" .".ToCharArray())); //(ActiveParent as ItemInfo).Ordinal.ToString());