3789037 - Splitting supplier invoice payment to multiple payees standard scope and options in SAP S/4HANA Cloud Public Edition

When posting a supplier invoice that contains both a service charge component and a customs duty or stamp duty component, the following questions arise regarding payment processing:

• Whether SAP S/4HANA Cloud Public Edition supports automatically splitting payment of a single supplier invoice across two different payees (for example, paying the service portion to the supplier and the customs duty portion to a government authority).
• Whether the Amount Split tab available within supplier invoice entry can be used to route partial amounts to different business partners.
• Whether any Italy-specific localization, configuration, BAdI, or in-app extensibility option exists to achieve this multi-payee payment behavior within standard SAP scope.

SAP S/4HANA Cloud Public Edition

1. Log in to SAP S/4HANA Cloud Public Edition and open the Create Supplier Invoice app.
2. Enter a supplier invoice that includes both a service charge line and a customs duty line billed by the same supplier.
3. Navigate to the Amount Split tab within the invoice.
4. Attempt to assign different payees or business partners to the individual split lines.
5. Observe that the Amount Split function does not provide a field for defining a different payee per split line — all lines relate to the same invoicing party.

This is standard, expected system behavior in SAP S/4HANA Cloud Public Edition. The core payment architecture is designed around the principle that one supplier invoice represents one open item for one business partner. The following design constraints apply:

• The Amount Split function splits one invoice amount into partial amounts for the purpose of assigning different payment methods or payment terms per partial amount. All partial amounts remain open items of the same invoicing business partner. No payee differentiation per split line is available.
• The standard AP payment run always settles open items of a business partner to that same business partner. The system does not natively route a portion of one supplier's open item to a different business partner (such as a government customs authority).
• No Italy-specific localization configuration in SAP S/4HANA Cloud Public Edition provides automatic payment splitting of one supplier invoice across multiple payees.
• Core payment logic (one invoice = one payee) is not modifiable via a BAdI or in-app extensibility in SAP S/4HANA Cloud Public Edition, in line with the "keep the core clean" principle.

Two standard handling approaches are available, depending on the legal obligation governing who the paying party must be.

Option A: Supplier is the sole legal payee (most common scenario)

Use this approach when the supplier collects all amounts on behalf of the authority and remits them independently. Post the full invoice amount as a single supplier invoice to the supplier business partner, distributing the amount across the appropriate G/L accounts:

1. Open the Create Supplier Invoice app and enter the full invoice amount.
2. On the G/L account lines, assign the customs duty portion to the designated customs expense or liability G/L account.
3. Assign the service fee portion to the appropriate service expense G/L account.
4. Assign the VAT amount using the correct Italian input tax code to ensure proper tax reporting.
5. Post the invoice. The full amount is settled to the supplier via the standard AP payment run (Post Outgoing Payments or automatic payment program).

Option B: A portion must be legally paid directly to the authority

Use this approach when the customs or stamp duty must be remitted directly to the relevant government authority (for example, Italian customs or the Italian tax authority). In this scenario, two separate documents must be created at posting level — payment splitting of one invoice is not possible:

1. Post the supplier service component as a separate supplier invoice to the supplier business partner. Include only the line items legally owed to the supplier (for example, the service fee and any applicable VAT).
2. Post the customs duty or stamp duty component as a separate document. Depending on the business process, this may be:
   • A supplier invoice posted to a dedicated Customs Authority business partner (if the authority issues its own document), or
   • A direct G/L posting to a customs duty payable account, settled outside the AP payment run (for example, via the Italian F24 tax payment form).

Settle each document independently: pay the supplier invoice via the standard AP payment run; remit the customs/tax authority amount through the applicable channel (F24 or equivalent).

Note: Italian fiscal obligations such as customs duties are typically remitted via the F24 payment form directly to the Agenzia delle Entrate or the Agenzia delle Dogane. This process is outside the scope of the standard SAP AP payment run. The separation of obligations must be modeled at the document posting level (separate documents and business partners), not through payment splitting of one invoice.

BAdI and extensibility scope

In SAP S/4HANA Cloud Public Edition, the core payment logic is not designed to be altered via a BAdI or in-app extension. Side-by-side custom development that simulates multi-payee payment behavior is technically conceivable but falls outside standard SAP support scope. If this behavior is required as a platform feature, submit a product enhancement request via the channels referenced in the See Also section.

Amount Split function — clarification of scope

The Amount Split tab within the supplier invoice entry screen allows one invoice amount to be divided into partial amounts. Each partial amount can be assigned a separate payment method (for example, bank transfer, check, or SAP Pay) and separate payment terms. However, all partial amounts remain open items of the same invoicing business partner. The Amount Split function does not support assigning a different payee to individual split lines and cannot be used to pay one portion to a supplier and another portion to a customs or tax authority.

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