3764428 - Error 7Q 320 "Withholding tax amount exceeds total bank line item amounts" when posting Down payment document with Withholding tax - SAP S/4HANA Cloud Public Edition

While posting a Down payment with Withholding Tax via the Journal Entry – Post (Asynchronous) API, the posting is rejected with error 7Q 320 “Withholding tax amount exceeds total bank line item amounts.”

SAP S/4HANA Cloud Public Edition

1. Use the Journal Entry – Post API to create a vendor down payment document (for example, BusinessTransactionType RFBU, AccountingDocumentType KZ).
2. Provide a bank/GL item and a vendor item with DownPaymentTerms that include SpecialGLCode “A”.
3. Add a WithholdingTaxItem with a withholding tax type
4. Send the request and observe the API response errors: 7Q320 “Withholding tax amount exceeds total bank line item amounts.”

The Journal Entry – Post API currently does not support posting withholding tax together with vendor down payments using Special G/L indicator “A”.

The following actions is recommended to influence SAP Product Improvement:
1. Submit product feedback by following the instructions outlined in KBA 3606803 - How to submit product relevant feedback for SAP S/4HANA Cloud Public Edition.
2. Submit a feature request via the SAP Customer Influence website. This platform enables customers to propose enhancements and vote on them. For detailed guidance on submitting a new feature request for SAP S/4HANA Cloud, refer to KBA 2963059 - How to Submit Feature Requests for SAP S/4HANA Cloud Public Edition. It is the most effective method to have the request considered. Demonstrating a significant and widespread business impact or a legal mandate greatly increases the likelihood of inclusion in future roadmaps.

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