Index: NVDataMgmtHDRecords.h
===================================================================
diff -u -rd622dc6b4ac5023f1510cc993c71281f952f86e5 -r77b29084a85f241dd6c83ef838e076bac666b11c
--- NVDataMgmtHDRecords.h	(.../NVDataMgmtHDRecords.h)	(revision d622dc6b4ac5023f1510cc993c71281f952f86e5)
+++ NVDataMgmtHDRecords.h	(.../NVDataMgmtHDRecords.h)	(revision 77b29084a85f241dd6c83ef838e076bac666b11c)
@@ -8,7 +8,7 @@
 * @file    NVDataMgmtHDRecords.h
 *
 * @author  (last)      Dara Navaei
-* @date    (last)      13-Jul-2022
+* @date    (last)      04-Aug-2022
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  13-Feb-2021
@@ -33,7 +33,7 @@
 // ********** public definitions **********
 
 #define MAX_TOP_LEVEL_PN_CHARS 10U                                                                             ///< Max number of characters for top level part number.
-#define MAX_TOP_LEVEL_SN_CHARS 15U                                                                             ///< Max number of characters for top level serial number.
+#define MAX_TOP_LEVEL_SN_CHARS 20U                                                                             ///< Max number of characters for top level serial number.
 
 #ifndef _RELEASE_
 /// Software configuration enums