Index: firmware/App/Modes/TreatmentStop.c
===================================================================
diff -u -r5d9c5362b537331248dc592e05b6b016267eb6d3 -r75e1ae332d1446dddf9b8d4ce6e8317449c57d67
--- firmware/App/Modes/TreatmentStop.c	(.../TreatmentStop.c)	(revision 5d9c5362b537331248dc592e05b6b016267eb6d3)
+++ firmware/App/Modes/TreatmentStop.c	(.../TreatmentStop.c)	(revision 75e1ae332d1446dddf9b8d4ce6e8317449c57d67)
@@ -7,8 +7,8 @@
 *
 * @file    TreatmentStop.c
 *
-* @author  (last)      Dara Navaei
-* @date    (last)      10-Aug-2022
+* @author  (last)      Michael Garthwaite
+* @date    (last)      19-Jan-2023
 *
 * @author  (original)  Sean
 * @date    (original)  15-Jan-2020
@@ -226,6 +226,8 @@
  *************************************************************************/
 void execTreatmentStop( void )
 {
+    TREATMENT_STOP_STATE_T priorSubState = currentTxStopState;
+
     // Execute treatment stop sub-mode state machine
     switch ( currentTxStopState )
     {
@@ -250,6 +252,10 @@
             break;
     }
 
+    if ( priorSubState != currentTxStopState )
+    {
+        SEND_EVENT_WITH_2_U32_DATA( HD_EVENT_SUB_STATE_CHANGE, priorSubState, currentTxStopState );
+    }
     // Broadcast treatment stop status
     publishTreatmentStopData();
 }