Withholding Tax | Rates by Payment Type
The rate follows the payment. Not a memory.
Interest, royalties, technical service fees and director fees each carry their own treatment. That is configured against your payment types once, so the deduction is decided when the bill is entered rather than argued about when the payment is due.
More in Withholding Tax
Related features
See it run on your own data.
Connect your books, free. It builds from what you have already posted.