diff --git a/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs b/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
index 76409c30..1f8c24d5 100644
--- a/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
+++ b/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
@@ -3343,8 +3343,27 @@ namespace VEPROMS.CSLA.Library
 						parentTab = parentTab.Replace(".0", "");		// this was added in, remove for substeps.
 					tbformat = parentTab + (parentTab.EndsWith(".") ? "" : ".") + tbformat.TrimStart();
 				}
-			}
+				else if (IsSequential && ActiveFormat.PlantFormat.FormatData.SectData.StepSectionData.SkipNonSeqTabWithPar)
+				{
+					// this was added for Wolf Creek WCN1: if this has a 'wpar' flag, then walk up until finding 
+					// a sequential or high and use that tab (ignore non-sequential steps when walking up parents). 
+					// Note that the format flag 'SkipNonSeqTabWithPar' was added to prevent this code being run for Westinghouse and Farley.
 
+					// the following prevents the concatenation of parent tabs onto this once the indenting is
+					// past the number of seqtabs.
+					if (localPrintLevel < seqtabs.Count || (PrintLevel < seqtabs.Count && seqtabs[PrintLevel].TabToken.ToUpper().Contains("WPAR")))
+					{
+						ItemInfo mpar = myparent;
+						while (mpar != null && !mpar.IsSection && !mpar.IsHigh && !mpar.IsSequential) mpar = (mpar.MyParent as ItemInfo);
+						if (mpar != null && !mpar.IsSection)
+						{
+							parentTab = mpar.MyTab.CleanText.Trim();
+							tbformat = parentTab + (parentTab.EndsWith(".") ? "" : ".") + tbformat.TrimStart();
+							//if (_MyLog.IsInfoEnabled) _MyLog.InfoFormat("==>PARTAB: [{0}]", ShortPath + ", " + ItemID.ToString());
+						}
+					}
+				}
+			}
 
 			if (tbformat.IndexOf("#2#") > -1 || tbformat.IndexOf("#1#") > -1)
 			{