Release 5.0 is equipped to handle the year 2000. If you have Release 4.3, you need to migrate before changing over to the euro. This key date can be at any time during the dual-currency phase. Retaining the national currency as a transaction currency until it is no longer valid or until the business partner asks for it to be changed.
Most companies have complex IT landscapes consisting of various different systems.
It should be possible to use the chosen solution in all systems. The chosen solution should be straightforward. Balance sheets can be produced in euros as from 1999, and must be produced in euros as from 2002. Data for the current fiscal year is checked for consistency and rounding differences are cleared.