Index: MsgDefs.h
===================================================================
diff -u -r246eafb023f008a3e3ad0ab8e38d9b5ed3b91ec3 -r9236267792fff4fb0e49742f918baf8c6fedeca9
--- MsgDefs.h	(.../MsgDefs.h)	(revision 246eafb023f008a3e3ad0ab8e38d9b5ed3b91ec3)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 9236267792fff4fb0e49742f918baf8c6fedeca9)
@@ -8,8 +8,8 @@
 *
 * @file    MsgDefs.h
 *
-* @author  (last)      Sameer Kalliadan Poyil
-* @date    (last)      24-Jun-2026
+* @author  (last)      Praneeth Bunne
+* @date    (last)      02-Jul-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -578,6 +578,7 @@
     REQUEST_REJECT_REASON_CONFIRMATION_NOT_EXPECTED = 58,                           ///< Confirmation received without prior validation
     REQUEST_REJECT_REASON_CONFIRMATION_MISMATCH = 59,                               ///< Confirmed value does not match validated value
     REQUEST_REJECT_REASON_INVALID_TREATMENT_SUB_STATE = 60,                         ///< Request is not allowed in current treatment sub-state
+    REQUEST_REJECT_REASON_MODALITY_MISMATCH = 61,                                   ///< Mismatched modality (Rx entered vs reatment initiation modality )
     NUM_OF_REQUEST_REJECT_REASONS                                                   ///< Number of settings change reject codes
 };
 typedef enum Request_Reject_Reasons REQUEST_REJECT_REASON_CODE_T;                   ///< Type for settings change rejection reason codes enumeration