Defining Official Withholding Tax Keys
Use
If you have not used any withholding tax keys for classic withholding tax, you do not need to take any action at this stage.
The withholding tax key for classic withholding tax is contained in the withholding tax code.
Procedure
Make sure that for all withholding tax keys (or withholding tax codes) that are used in the withholding tax codes for classic withholding tax, there is an identical entry in the withholding tax codes for extended withholding tax.