Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r61329f4338e01017c1b31d063a17a187ec12c37d -r6d750c93f17571bbeba89404b63d87f37a9243af
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 61329f4338e01017c1b31d063a17a187ec12c37d)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 6d750c93f17571bbeba89404b63d87f37a9243af)
@@ -880,16 +880,33 @@
  * @brief
  * The handleTreatmentRinsebackState function executes the rinseback state of the
  * Treatment Mode state machine.
- * @details Inputs: none
- * @details Outputs: treatment rinseback sub-mode executed.
+ * @details Inputs: endTreatmentAlarmResponseRequest, resumeTreatmentAlarmResponseRequest,
+ * rinsebackToRecircRequest, rinsebackToStoppedRequest, endTreatmentRequest
+ * @details Outputs: treatment rinseback sub-mode executed, sendLastTreatmentPeriodicData
  * @return next treatment mode state
  *************************************************************************/
 static TREATMENT_STATE_T handleTreatmentRinsebackState( void )
 {
     TREATMENT_STATE_T result = TREATMENT_RINSEBACK_STATE;
 
-    // Execute treatment rinseback sub-mode
-    execRinseback();
+    // If user requests treatment end, end treatment
+    if ( TRUE == endTreatmentAlarmResponseRequest )
+    {
+        sendLastTreatmentPeriodicData = TRUE;
+        requestNewOperationMode( MODE_POST );
+    }
+    // Otherwise execute state machine for treatment rinseback sub-mode
+    else
+    {
+        // If user requests resumption of treatment, resume rinseback
+        if ( TRUE == resumeTreatmentAlarmResponseRequest )
+        {
+            resumeTreatmentAlarmResponseRequest = FALSE;
+            signalRinsebackAlarmResumeUserAction();
+        }
+        // Execute treatment rinseback sub-mode
+        execRinseback();
+    }
 
     // Handle signals from rinseback sub-mode
     if ( TRUE == rinsebackToRecircRequest )