Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r56ae47b6766bed3f138fa3f1989431d7a439ea7a -r3eb378de95b514ceb487e35342f58e734ca678c6
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 56ae47b6766bed3f138fa3f1989431d7a439ea7a)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 3eb378de95b514ceb487e35342f58e734ca678c6)
@@ -81,6 +81,7 @@
 {
     U32 requestedTxDurationMins;                                ///< Requested treatment duration from the user in minutes.
     F32 newUFRateMLPM;                                          ///< New calculated UF rate in mL/Min.
+    BOOL isUFRateConfInProgress;                                ///< Boolean flag to indicate whether a new UF rate confirmation has been requested.
 } TREATMENT_DURATION_RQST_T;
 
 // ********** private data **********
@@ -211,6 +212,7 @@
 
     txDurationRequest.requestedTxDurationMins = 0;
     txDurationRequest.newUFRateMLPM           = 0.0F;
+    txDurationRequest.isUFRateConfInProgress  = FALSE;
 
     // reset dialysate temperature alarm persistences prior to starting a treatment.
     resetPersistentAlarmTimer( ALARM_ID_HD_DIALYSATE_TEMP_ABOVE_SAFETY_TEMP );
@@ -1101,6 +1103,7 @@
                 // Store the proposed treatment duration and the calculated new UF rate until the user approves it
                 txDurationRequest.requestedTxDurationMins = treatmentTime;
                 txDurationRequest.newUFRateMLPM           = newUFRateMLPM;
+                txDurationRequest.isUFRateConfInProgress  = TRUE;
 
                 genericConfRequest.requestID       = (U32)GENERIC_CONFIRM_ID_UF_RATE_CHANGE_IN_TX_DURATION_CHANGE;
                 genericConfRequest.requestType     = (U32)GENERIC_CONFIRM_CMD_REQUEST_OPEN;
@@ -1575,31 +1578,35 @@
     BOOL result                          = FALSE;
     CONFIRMATION_REQUEST_STATUS_T status = getConfirmationRequestStatus( GENERIC_CONFIRM_ID_UF_RATE_CHANGE_IN_TX_DURATION_CHANGE );
 
-    if ( ( CONFIRMATION_REQUEST_STATUS_ACCEPTED == status ) || ( CONFIRMATION_REQUEST_STATUS_REJECTED == status ) )
+    if ( TRUE == txDurationRequest.isUFRateConfInProgress )
     {
-        if ( CONFIRMATION_REQUEST_STATUS_ACCEPTED == status )
+        if ( ( CONFIRMATION_REQUEST_STATUS_ACCEPTED == status ) || ( CONFIRMATION_REQUEST_STATUS_REJECTED == status ) )
         {
-            result = TRUE;
-            sendTreatmentLogEventData( TREATMENT_DURATION_CHANGE_EVENT, ( presTreatmentTimeSecs / SEC_PER_MIN ), txDurationRequest.requestedTxDurationMins );
-            presTreatmentTimeSecs = txDurationRequest.requestedTxDurationMins * SEC_PER_MIN;
-            presUFRate            = txDurationRequest.newUFRateMLPM;
-            setTreatmentParameterF32( TREATMENT_PARAM_UF_VOLUME, ( presMaxUFVolumeML / (F32)ML_PER_LITER ) );
-            setTreatmentParameterU32( TREATMENT_PARAM_TREATMENT_DURATION, ( presTreatmentTimeSecs / SEC_PER_MIN ) );
-            setDialysisDialInFlowAndUFRate( getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ), presMaxUFVolumeML, presUFRate );
-            signalInitiatePressureStabilization( USE_NORMAL_STABILIZATION_PERIOD );
-        }
+            if ( CONFIRMATION_REQUEST_STATUS_ACCEPTED == status )
+            {
+                result = TRUE;
+                sendTreatmentLogEventData( TREATMENT_DURATION_CHANGE_EVENT, ( presTreatmentTimeSecs / SEC_PER_MIN ), txDurationRequest.requestedTxDurationMins );
+                presTreatmentTimeSecs = txDurationRequest.requestedTxDurationMins * SEC_PER_MIN;
+                presUFRate            = txDurationRequest.newUFRateMLPM;
+                setTreatmentParameterF32( TREATMENT_PARAM_UF_VOLUME, ( presMaxUFVolumeML / (F32)ML_PER_LITER ) );
+                setTreatmentParameterU32( TREATMENT_PARAM_TREATMENT_DURATION, ( presTreatmentTimeSecs / SEC_PER_MIN ) );
+                setDialysisDialInFlowAndUFRate( getTreatmentParameterU32( TREATMENT_PARAM_DIALYSATE_FLOW ), presMaxUFVolumeML, presUFRate );
+                signalInitiatePressureStabilization( USE_NORMAL_STABILIZATION_PERIOD );
+            }
 
-        // Regardless of accept or reject there is no reject reason.
-        sendChangeTreatmentDurationResponse( result, 0, ( presTreatmentTimeSecs / SEC_PER_MIN ), presMaxUFVolumeML );
-        // Send new ranges for settings
-        treatmentParamsRangesBroadcastTimerCtr = getU32OverrideValue( &treatmentParamRangesPublishInterval );
-        broadcastTreatmentSettingsRanges();
-        // Send time/state data immediately for UI update
-        broadcastTreatmentTimeAndState();
+            // Regardless of accept or reject there is no reject reason.
+            sendChangeTreatmentDurationResponse( result, 0, ( presTreatmentTimeSecs / SEC_PER_MIN ), presMaxUFVolumeML );
+            // Send new ranges for settings
+            treatmentParamsRangesBroadcastTimerCtr = getU32OverrideValue( &treatmentParamRangesPublishInterval );
+            broadcastTreatmentSettingsRanges();
+            // Send time/state data immediately for UI update
+            broadcastTreatmentTimeAndState();
 
-        // Done with treatment duration changes whether they were accepted or rejected.
-        txDurationRequest.newUFRateMLPM           = 0.0F;
-        txDurationRequest.requestedTxDurationMins = 0;
+            // Done with treatment duration changes whether they were accepted or rejected.
+            txDurationRequest.newUFRateMLPM           = 0.0F;
+            txDurationRequest.requestedTxDurationMins = 0;
+            txDurationRequest.isUFRateConfInProgress  = FALSE;
+        }
     }
 }