Determination of withholding tax data for head office &

What causes this issue?

You are using a supplier for whom a head office is stored in the master
record.

System Response

The determination of the withholding tax data (relevant categories and
default values) is made according to the agreements in the master record
for the head office. The settings in the master record for the current
invoicing party (subsidiary) are not taken into account.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.