Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r371355c43e19849e5b1dd27286f62f4424d07ccf -re42bc54b5c3ff134d9f4526034e3c522a64f0cdf
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 371355c43e19849e5b1dd27286f62f4424d07ccf)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision e42bc54b5c3ff134d9f4526034e3c522a64f0cdf)
@@ -3758,7 +3758,36 @@
     return result;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The handleDGRequestRORejectionRatio function handles the DG request
+ * to receive the 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 handleDGRequestRORejectionRatio( MESSAGE_T* message )
+{
+    if ( 0 == message->hdr.payloadLen )
+    {
+        MESSAGE_T msg;
 
+        F32 roRejectionRatioInInstitRecord = getRORejectionRatioInInstitRecord();
+
+        // Create a message record
+        blankMessage( &msg );
+        msg.hdr.msgID      = MSG_ID_HD_RO_REJ_RATIO_FROM_HD_INSTIT_RECORD_TO_DG_RESPONSE;
+        msg.hdr.payloadLen = sizeof( F32 );
+
+        memcpy( msg.payload, &roRejectionRatioInInstitRecord, 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
  *************************************************************************/