Index: firmware/App/Modes/TreatmentRecirc.h
===================================================================
diff -u -r89f4c7f0995e2094b3f26fc7e7e12371e847abac -rcd5be724d5a3ba7457e761191d82f278654d7f5c
--- firmware/App/Modes/TreatmentRecirc.h	(.../TreatmentRecirc.h)	(revision 89f4c7f0995e2094b3f26fc7e7e12371e847abac)
+++ firmware/App/Modes/TreatmentRecirc.h	(.../TreatmentRecirc.h)	(revision cd5be724d5a3ba7457e761191d82f278654d7f5c)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2021-2024 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
-* @file TreatmentRecirc.h
+* @file    TreatmentRecirc.h
 *
-* @author (last) Sean Nash
-* @date (last) 14-Jan-2021
+* @author  (last)      Sean Nash
+* @date    (last)      12-Nov-2021
 *
-* @author (original) Sean
-* @date (original) 14-Jan-2021
+* @author  (original)  Sean Nash
+* @date    (original)  20-Jan-2021
 *
 ***************************************************************************/
 
@@ -31,6 +31,15 @@
  *  @{
  */
 
+// ********** public definitions **********
+
+/// Payload record structure for treatment recirculate mode data broadcast message
+typedef struct
+{
+    U32 timeout;                            ///< Recirculation timeout time (in seconds)
+    U32 countdown;                          ///< Recirculation timeout countdown (in seconds)
+} TREATMENT_RECIRC_PAYLOAD_T;
+
 // ********** public function prototypes **********
 
 void initTreatmentRecirc( void );