diff --git a/PROMS/VEPROMS.CSLA.Library/Config/ROFSTLookup.cs b/PROMS/VEPROMS.CSLA.Library/Config/ROFSTLookup.cs
index f3b1313a..2ae6ba5f 100644
--- a/PROMS/VEPROMS.CSLA.Library/Config/ROFSTLookup.cs
+++ b/PROMS/VEPROMS.CSLA.Library/Config/ROFSTLookup.cs
@@ -108,6 +108,16 @@ namespace VEPROMS.CSLA.Library
 				}
 			}
 		}
+		//C2021-065 used by Barakah Alarms so that we get ROLookUp for the Other applicability
+		private string _OtherChild;
+		public string OtherChild 
+		{
+			get
+			{ return _OtherChild;}
+			set
+			{ _OtherChild = value;}
+		}
+
     public ROFSTLookup(ROFst rofst, DocVersionInfo dvi)
 		{
 			_ROFst = rofst;
@@ -312,6 +322,12 @@ namespace VEPROMS.CSLA.Library
 			string childName = MyDocVersionInfo.DocVersionConfig.Unit_Name; 
 			string aplString = roval;
 			string ChldValue = "";
+			// C2021-065 see if we need to get the RO information for the "Other" Child applicability value
+			if (OtherChild != null && OtherChild != "")
+			{
+				selChldIdx = Convert.ToInt32(OtherChild); // the OTHER unit number
+				childName = MyDocVersionInfo.DocVersionConfig.Other_Unit_Name;
+			}
 			// if the RO Value contains Parent/Child values, parse out default value and the child (slave or unit specific) value
 			while (roval != null && roval.Contains("<APL DefaultVal="))
 			{
diff --git a/PROMS/VEPROMS.CSLA.Library/Extension/ROFSTExt.cs b/PROMS/VEPROMS.CSLA.Library/Extension/ROFSTExt.cs
index 71ab98d2..92724184 100644
--- a/PROMS/VEPROMS.CSLA.Library/Extension/ROFSTExt.cs
+++ b/PROMS/VEPROMS.CSLA.Library/Extension/ROFSTExt.cs
@@ -176,13 +176,23 @@ namespace VEPROMS.CSLA.Library
 		private Dictionary<string, ROFSTLookup> dicLookups = new Dictionary<string, ROFSTLookup>();
 		public ROFSTLookup GetROFSTLookup(DocVersionInfo dvi)
 		{
-			//string key = string.Format("{0}.{1}",dvi.DocVersionAssociations[0].ROFstID,dvi.DocVersionConfig.SelectedSlave);
-			string key = string.Format("{0}.{1}.{2}", ROFstID, dvi.DocVersionConfig.MaxSlaveIndex,  dvi.DocVersionConfig.SelectedSlave);
+			return GetROFSTLookup(dvi, "");
+		}
+		public ROFSTLookup GetROFSTLookup(DocVersionInfo dvi, string ovrrideChild)
+		{
+			string key = "";
+
+			if (ovrrideChild == "")
+				key = string.Format("{0}.{1}.{2}", ROFstID, dvi.DocVersionConfig.MaxSlaveIndex, dvi.DocVersionConfig.SelectedSlave);
+			else
+				key = string.Format("{0}.{1}.{2}", ROFstID, dvi.DocVersionConfig.MaxSlaveIndex, ovrrideChild); // C2021-065 use OTHER child information
 			if (!dicLookups.ContainsKey(key))
 			{
 				dicLookups.Clear(); //B2022-001 clear the dictionary each time to free up memory - out of memory fix
 				dicLookups.Add(key, new ROFSTLookup(this, dvi));
 			}
+			if (ovrrideChild != "")
+				dicLookups[key].OtherChild = ovrrideChild; // C2021-065 use the OTHER applicabiltiy info to get RO Values
 			return dicLookups[key];
 		}
 		#endregion