Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -rc07917caced76b53a0ed8f35167fac6f9d8310a4 -rb83b525617ddffecc06b81c97e2534cdd3446c47
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision c07917caced76b53a0ed8f35167fac6f9d8310a4)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision b83b525617ddffecc06b81c97e2534cdd3446c47)
@@ -7,8 +7,8 @@
 *
 * @file    Messaging.c
 *
-* @author  (last)      Michael Garthwaite
-* @date    (last)      10-Nov-2025
+* @author  (last)      “rkallala”
+* @date    (last)      09-Dec-2025
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  07-Aug-2024
@@ -230,12 +230,15 @@
     { MSG_ID_FP_FILTERED_COND_SENSOR_TEMPERATURE_OVERRIDE_REQUEST,                  &testFPConductivitySensorFilteredTemperatureReadingsOverride },
     { MSG_ID_DD_VOLTAGE_DATA_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                     &testVoltageDataPublishIntervalOverride },
     { MSG_ID_DD_MONITORED_VOLTAGE_OVERRIDE_REQUEST,                                 &testVoltageOverride },
+    { MSG_ID_DD_TREATMENT_PARAMS_OVERRIDE_REQUEST,                                  &testTDTreatmentParamsOverride },
     { MSG_ID_FP_LEVEL_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                            &testFPLevelsDataPublishIntervalOverride },
     { MSG_ID_FP_LEVEL_OVERRIDE_REQUEST,                                             &testFPLevelStateOverride },
     { MSG_ID_FP_PERMEATE_TANK_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                    &testPermeateTankDataPublishIntervalOverride },
     { MSG_ID_FP_RO_PUMP_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                          &testROPumpDataPublishIntervalOverride },
     { MSG_ID_DD_RINSE_PUMP_DATA_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                  &testRinsePumpDataPublishIntervalOverride },
     { MSG_ID_FP_SET_START_STOP_OVERRIDE_REQUEST,                                    &testSetGeneratePermeateSignal },
+    {  MSG_ID_FP_RO_REJECTION_RATIO_PUBLISH_INTERVAL_OVERRIDE_REQUEST,              &testRORejectionRatioDataPublishIntervalOverride },
+    {  MSG_ID_FP_RO_FILTERED_REJECTION_RATIO_OVERRIDE_REQUEST,                      &testRORejectionRatioFilteredOverride },
 };
 
 /// Calculation for number of entries in the incoming message function handler look-up table.
@@ -455,10 +458,7 @@
     // ACK/NAK request
     if ( message->hdr.msgID < MSG_ID_FIRST_TD_TESTER_MESSAGE )
     {
-//        if ( respBuffer != COMM_BUFFER_NOT_USED )
-//        {
-//            sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, respBuffer, ack );
-//        }
+        // only Sending Test ACK for dialin messages.
     }
     else
     {