Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rc0b5416c7c5471942efd66f4b811dd464d7d6b24 -r9d21272d8c5c0b5f1d72bd5f0e9ef4e4ee41e764
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision c0b5416c7c5471942efd66f4b811dd464d7d6b24)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 9d21272d8c5c0b5f1d72bd5f0e9ef4e4ee41e764)
@@ -8,7 +8,7 @@
 * @file    SystemCommMessages.c
 *
 * @author  (last)      Dara Navaei
-* @date    (last)      29-Jan-2025
+* @date    (last)      28-Mar-2025
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  05-Nov-2019
@@ -3758,7 +3758,36 @@
     return result;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The handleDGRequestMaxRORejectionRatio function handles the DG request
+ * to receive the max RO rejection ratio from HD institutional record.
+ * @details Inputs: none
+ * @details Outputs: none
+ * @param message a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleDGRequestMaxRORejectionRatio( MESSAGE_T* message )
+{
+    if ( 0 == message->hdr.payloadLen )
+    {
+        MESSAGE_T msg;
 
+        F32 maxRORejectionRatioInInstitRecord = getMaxRORejectionRatioInInstitRecord();
+
+        // Create a message record
+        blankMessage( &msg );
+        msg.hdr.msgID      = MSG_ID_HD_MAX_RO_REJ_RATIO_FROM_HD_INSTIT_RECORD_RESPONSE;
+        msg.hdr.payloadLen = sizeof( F32 );
+
+        memcpy( msg.payload, &maxRORejectionRatioInInstitRecord, sizeof( F32 ) );
+
+        // Serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
+        serializeMessage( msg, COMM_BUFFER_OUT_CAN_HD_2_DG, ACK_REQUIRED );
+    }
+}
+
+
 /*************************************************************************
  *                       TEST SUPPORT FUNCTIONS
  *************************************************************************/