Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -r154aaca90372b2335275ec9118e602185d244f23 -reaeff603027c54d0be5171d519710942672ef623
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 154aaca90372b2335275ec9118e602185d244f23)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision eaeff603027c54d0be5171d519710942672ef623)
@@ -7,8 +7,8 @@
 *
 * @file    Messaging.c
 *
-* @author  (last)      Raghu Kallala
-* @date    (last)      06-Apr-2026
+* @author  (last)      Michael Garthwaite
+* @date    (last)      07-Apr-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  07-Aug-2024
@@ -129,7 +129,6 @@
     { MSG_ID_DD_PRESSURE_SENSOR_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                  &testDDPressureSensorDataPublishIntervalOverride },
     { MSG_ID_DD_PRESSURE_SENSOR_FILTER_READINGS_OVERRIDE_REQUEST,                   &testDDPressureSensorFilteredReadingsOverride },
     { MSG_ID_DD_PRESSURE_SENSOR_FILTER_TEMPERATURE_OVERRIDE_REQUEST,                &testDDPressureSensorFilteredTemperatureReadingsOverride },
-
     { MSG_ID_DD_CONDUCTIVITY_SENSOR_PUBLISH_INTERVAL_OVERRIDE_REQUEST,              &testDDConductivitySensorDataPublishIntervalOverride },
     { MSG_ID_FP_CONDUCTIVITY_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                     &testFPConductivitySensorDataPublishIntervalOverride },
     { MSG_ID_DD_CONDUCTIVITY_SENSOR_READINGS_OVERRIDE_REQUEST,                      &testConductivitySensorReadingsOverride },
@@ -143,7 +142,6 @@
     { MSG_ID_DD_CONDUCTIVITY_SENSOR_CONDUCTIVITY_ERROR_COUNTER_OVERRIDE_REQUEST,    &testConductivitySensorConductivityErrorCounterOverride },
     { MSG_ID_FP_CONDUCTIVITY_SENSOR_CONDUCTIVITY_READ_COUNT_OVERRIDE_REQUEST,       &testConductivitySensorConductivityReadCounterOverride },
     { MSG_ID_FP_CONDUCTIVITY_SENSOR_CONDUCTIVITY_ERROR_COUNT_OVERRIDE_REQUEST,      &testConductivitySensorConductivityErrorCounterOverride },
-
     { MSG_ID_DD_CONCENTRATE_PUMP_PUBLISH_INTERVAL_OVERRIDE_REQUEST,                 &testConcentratePumpDataPublishIntervalOverride },
     { MSG_ID_DD_CONCENTRATE_PUMP_TARGET_SPEED_OVERRIDE_REQUEST,                     &testConcentratePumpTargetSpeedOverride },
     { MSG_ID_DD_CONCENTRATE_PUMP_MEASURED_SPEED_OVERRIDE_REQUEST,                   &testConcentratePumpMeasuredSpeedOverride },
@@ -286,6 +284,9 @@
     { MSG_ID_FP_SET_OPERATION_SUB_MODE_REQUEST,                                     &testSetFPOperationSubMode },
     { MSG_ID_DD_FILTERED_TEMPERATURE_SENSOR_OVERRIDE_REQUEST,                       &testDDTemperatureSensorFilteredReadingsOverride },
     { MSG_ID_FP_BOOST_PUMP_INSTALL_STATUS_REQUEST,                                  &testGetFPBoostPumpInstallStatus },
+    { MSG_ID_DD_CONDUCTIVITY_SENSOR_VERSION_REQUEST,                                &testHandleConductivitySensorVersionRequest },
+    { MSG_ID_FP_CONDUCTIVITY_SENSOR_VERSION_REQUEST,                                &testHandleConductivitySensorVersionRequest },
+    { MSG_ID_DD_TEMPERATURE_SENSOR_FILTERED_TEMP_OVERRIDE_REQUEST,                  &testDDTemperatureSensorFilteredReadingsOverride },
 };
 
 /// Calculation for number of entries in the incoming message function handler look-up table.