diff --git a/PROMS/Volian.Print.Library/vlnParagraph.cs b/PROMS/Volian.Print.Library/vlnParagraph.cs
index 8dce93a3..350fdaa8 100644
--- a/PROMS/Volian.Print.Library/vlnParagraph.cs
+++ b/PROMS/Volian.Print.Library/vlnParagraph.cs
@@ -4301,13 +4301,15 @@ namespace Volian.Print.Library
 					yoff += adj;
 					if (MyTab != null) MyTab.YOffset = ChildrenRight[0].YOffset;
 					if (PartsRight.Count > 0) PartsRight[0].YOffset = ChildrenRight[0].YOffset;
-					//B2020-160 use YTopMost instead of Yoffset and if there are children above
-					//          get the minimun value between the AER and RNO YtopMost.
+					//B2020-160 use YTopMost instead of Yoffset if there are children above.
+					//          Get the minimun value between the AER and RNO YtopMost.
 					//          example. Calvert AOP-7E/XIII/Step A5.h Unit 2 Approved set
+					//B2021-027 use YOffset if there isn't any children above (AER).
+					//          example: Catawba Unit 1 AP’s; AP/1/A/5500/050; Enclosure 8 step 1
 					if (ChildrenAbove.Count == 0)
-						YTopMost = ChildrenRight[0].ChildrenAbove[0].YTopMost;//YOffset;
+						YTopMost = ChildrenRight[0].ChildrenAbove[0].YOffset; //B2021-027
 					else
-						YTopMost = Math.Min(ChildrenAbove[0].YTopMost,ChildrenRight[0].ChildrenAbove[0].YTopMost);//YOffset;
+						YTopMost = Math.Min(ChildrenAbove[0].YTopMost, ChildrenRight[0].ChildrenAbove[0].YTopMost); //B2020-160
 				}
 			}
 			// if this hls had a box drawn, add a line for substeps.