3756884 - App Post Outgoing Payments shows error "No withholding tax form type" on the migrated instance

After migrating "FI - Accounts payable open item" with the migration cockpit, the migrated supplier invoice cannot be paid in the Post Outgoing Payments app.

• Error message is displayed: "No Withholding tax form type".
• Message number: 8H004.

SAP S/4HANA Cloud Public Edition

1. Use Migrate Your Data with object FI - Accounts payable open item and migrate supplier invoices (migration finishes successfully).
2. Do not provide withholding tax data in the template’s "Withholding Tax Items" tab.
3. Open the Post Outgoing Payments app and attempt to pay the migrated invoice.
4. Observe error "No Withholding tax form type"(Message No. 8H004).

• Withholding tax-relevant invoices were migrated without the mandatory "Withholding Tax Items" data (for example: company code, reference document number, customer number, withholding tax type, withholding tax code) required to post and pay withholding tax-relevant items.
• The recipient type (Rec.Type / QSREC) might not be maintained in the supplier’s withholding tax configuration, preventing determination of a withholding tax form type during payment.

1. Before migration, verify the supplier’s withholding tax master data in Maintain Business Partner (role Supplier – Fin. Accounting) and ensure the recipient type (Rec.Type / QSREC) is maintained.
2. In the migration template for FI - Accounts payable open item, populate the key fields in the "Withholding Tax Items" tab: company code, reference document number, customer number (as labeled in the template), withholding tax type, and withholding tax code.

• KBA 3673396 - Error message "No Withholding Tax Form Type" occurs when posting outgoing payments
• SAP Help Document FI - Accounts payable open item: Mapping Instructions for Withholding Tax

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