Prerequisites
Before you run the automatic payment process to calculate withholding:
Verify that the Localization Country Code field in the User Profile Revisions program (P0092) is set to MX (Mexico).
Set up the system to process VAT and income withholding.
See Setting Up Your System for Supplier Withholding in Mexico.
Verify that P76M573 is the attachment program indicated in the Payment Instrument Defaults program (P0417) and in UDC 04/PA.