SAP Program TZCUSTXPRA - XPRA for Time Zone Customizing

Description
Report TZCUSTXPRA must be started when the system is upgraded fromsource releases 3.0*, 3.1*, 4.0A and 4.0B to target release 4.0C,because the structure of customizing tables TTZ5 und TTZ5S has changed(enhanced key).
All existing entries (prior to 4.0C only ONE time zone per country orcountry/region) are marked as defaults.
After the conversion new entries can be added, that means more than onetime zone per country or country/region.

Precondition
The report must run during upgrades only.