3766626 - Tax Calculation Imbalance After Editing Header Gross Amount In Create Supplier Invoice – Advanced

• Issue with tax calculation when using the Create Supplier Invoice – Advance application.
• Editing the header amount results in an imbalance in the accounting entry.
• The system allows manual changes at the header level causing inconsistencies between tax and base amounts.
• Posting cannot proceed due to imbalance.

• Product: SAP S/4HANA Cloud Public Edition
• Fiori UI for Invoice Verification (Public Cloud)

1. Open Create Supplier Invoice – Advance application.
2. Enter supplier invoice details with tax-relevant items.
3. Maintain initial amounts and tax.
4. Modify the header amount manually.
5. Attempt to post the document.

• The header gross amount is a derived sum field (sum of net items, tax, and unplanned delivery costs) and not a calculation driver.
• Editing the header gross amount does not initiate a recalculation because the system cannot determine whether to adjust tax, net amount, or unplanned delivery costs.
• As a result, item-level taxes remain unchanged, leading to inconsistencies and an imbalanced posting.

Enter the intended header gross amount before referencing the purchase order to prevent inconsistencies and ensure balanced postings.

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