diff --git a/PROMS/Formats/fmtall/BASEall.xml b/PROMS/Formats/fmtall/BASEall.xml
index eec99ffa..927b0a15 100644
Binary files a/PROMS/Formats/fmtall/BASEall.xml and b/PROMS/Formats/fmtall/BASEall.xml differ
diff --git a/PROMS/Formats/fmtall/VEGP2all.xml b/PROMS/Formats/fmtall/VEGP2all.xml
index 7fcb8746..e654d1af 100644
Binary files a/PROMS/Formats/fmtall/VEGP2all.xml and b/PROMS/Formats/fmtall/VEGP2all.xml differ
diff --git a/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs b/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
index 8cd4a26b..a0340ed4 100644
--- a/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
+++ b/PROMS/VEPROMS.CSLA.Library/Extension/ItemExt.cs
@@ -4745,6 +4745,19 @@ namespace VEPROMS.CSLA.Library
 						{
 							_MyTab.Text = _MyTab.Text.Substring(1);
 						}
+						// C2026-003 Vogtle Continuous Action high level RNO (AER is not continuous action)
+						if (ActiveFormat.MyStepSectionLayoutData.AddContActTagToHighLevelRNOWhenIncludedOnCAS &&
+							IsInRNO && !MyParent.IsInRNO && FormatStepData.TabData.CASPrintMacro != null)
+						{
+							StepConfig sc = MyConfig as StepConfig;
+							if (sc != null && sc.Step_CAS == "True")
+							{
+								if (FormatStepData.TabData.CASPrintMacro != null)
+									_MyTab.Text = FormatStepData.TabData.CASPrintMacro + _MyTab.Text;
+								if (FormatStepData.TabData.CASEditTag != null)
+									_MyTab.CleanText = FormatStepData.TabData.CASEditTag + _MyTab.CleanText;
+							}
+						}
 						_MyTab.RNOTabWidthAdjust = ((ItemInfo)ActiveParent).FormatStepData.TabData.RNOAdjustTabSize ?? 0;
 						if (((ItemInfo)ActiveParent).MyTab.Offset != 0) _MyTab.Offset = ((ItemInfo)ActiveParent).MyTab.Offset;
 						if (((ItemInfo)ActiveParent).FormatStepData.TabData.RNOExcludeMacros)
diff --git a/PROMS/VEPROMS.CSLA.Library/Format/PlantFormat.cs b/PROMS/VEPROMS.CSLA.Library/Format/PlantFormat.cs
index 282cc8f1..36631cf5 100644
--- a/PROMS/VEPROMS.CSLA.Library/Format/PlantFormat.cs
+++ b/PROMS/VEPROMS.CSLA.Library/Format/PlantFormat.cs
@@ -3814,6 +3814,18 @@ namespace VEPROMS.CSLA.Library
 			}
 		}
 
+		// C2026-003 (for Vogtle Units 3&4) Adds the continuous action tag to a high level RNO
+		//            only when it as a tab and the parent is an AER step that is not tagged as a continuous action
+		//            Use this with the setting of CASPrintMacro and CASEditTag on the RNO step type TabData definition
+		private LazyLoad<bool> _AddContActTagToHighLevelRNOWhenIncludedOnCAS;
+		public bool AddContActTagToHighLevelRNOWhenIncludedOnCAS
+		{
+			get
+			{
+				return LazyLoad(ref _AddContActTagToHighLevelRNOWhenIncludedOnCAS, "@AddContActTagToHighLevelRNOWhenIncludedOnCAS");
+			}
+		}
+
 		// treat sub-sections and High Level Steps as if they are at the same procedure structure level. This is used with the TieTabToLevel flag
 		private LazyLoad<bool> _SubSectAndHighSameLevel;
 		public bool SubSectAndHighSameLevel
@@ -5708,6 +5720,30 @@ public StepData Equation		// equation has a parent of embedded object.
 				return LazyLoad(ref _RNOIdentPrint, "TabData/@RNOIdent");
 			}
 		}
+		// Adds a print macro for the high level RNO when the user want it to be a Continuous Action
+		// while the corresponding AER is not a continuous action
+		// C2026-003 used in RNO step definition for Vogtle 3&4 two column format
+		// use with AddContActTagToHighLevelRNOWhenIncludedOnCAS set to True in the format file's StpSectLayData
+		private LazyLoad<string> _CASPrintMacro;
+		public string CASPrintMacro
+		{
+			get
+			{
+				return LazyLoad(ref _CASPrintMacro, "TabData/@CASPrintMacro");
+			}
+		}
+		// Adds a character indicator in the step editor for the high level RNO when the user want it to be a Continuous Action
+		// while the corresponding AER is not a continuous action
+		// C2026-003 used in RNO step definition for Vogtle 3&4 two colmn format
+		// use with AddContActTagToHighLevelRNOWhenIncludedOnCAS set to True in the format file's StpSectLayData
+		private LazyLoad<string> _CASEditTag;
+		public string CASEditTag
+		{
+			get
+			{
+				return LazyLoad(ref _CASEditTag, "TabData/@CASEditTag");
+			}
+		}
 
 		// don't use the defined macro when creating a step tab for the step type's RNO 
 		private LazyLoad<bool> _RNOExcludeMacros;
diff --git a/PROMS/Volian.Controls.Library/DisplayTags.cs b/PROMS/Volian.Controls.Library/DisplayTags.cs
index 7621c55c..4d5c12b1 100644
--- a/PROMS/Volian.Controls.Library/DisplayTags.cs
+++ b/PROMS/Volian.Controls.Library/DisplayTags.cs
@@ -647,6 +647,10 @@ namespace Volian.Controls.Library
 			MyEditItem.ChangeBarForConfigItemChange = false;
 			sc.Step_CAS = (cbCAS.Checked) ? "True" : "False";
 			MyEditItem.ChangeBarForConfigItemChange = true;
+			// C2026-003 (put in for Vogtle 3&4) refresh the RNO step tab if including it on the Continuous Action Summary
+			if (MyEditItem.MyItemInfo.ActiveFormat.MyStepSectionLayoutData.AddContActTagToHighLevelRNOWhenIncludedOnCAS &&
+				MyEditItem.MyItemInfo.IsInRNO && !MyEditItem.MyItemInfo.MyParent.IsInRNO)
+				MyEditItem.RefreshTab();
 		}
 		private void cbTCAS_CheckedChanged(object sender, EventArgs e)
 		{