Index: MsgDefs.h
===================================================================
diff -u -rba259a85f9f9b80eae4fec4882a3f769416c942f -rd8c56ab4c6dd782e34fe223213d2b68197db5a1c
--- MsgDefs.h	(.../MsgDefs.h)	(revision ba259a85f9f9b80eae4fec4882a3f769416c942f)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision d8c56ab4c6dd782e34fe223213d2b68197db5a1c)
@@ -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
@@ -584,6 +584,7 @@
     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