Getting supplier credit invoices through an ISO20022 payment order in IFS Applications 10

Confirmed fix (accepted answer, confirmed working by the original poster, IFS Applications 10):

1. Open the Payment Institute window and select the ISO20022 payment method.
2. Use the right-click option "Format Specific Information Per Institute" and complete the basic data there.
3. With this in place, credit invoices are included in the ISO20022 XML grouped together with the debit invoices, so the payment is no longer a standalone negative amount.

Related guidance for IFS Applications 8 (from a later reply, not confirmed by the person asking):

• In IFS8 the SEPA and ISO20022 formats depend on the company setting "Invoice Payment Reference Validation No: Supplier Invoice Validation Method" (Company > Invoice > General tab).
• If it is "Used", each invoice is paid separately, so a credit note would create a negative payment and cannot be sent.
• If it is "Not Used", invoices in a payment order are aggregated by invoice company, supplier, beneficiary bank account and payment date, and the payment is created as long as the aggregated amount is positive.
• One IFS8 user reported the error persisting with "Not Used"; the replier pointed out that invoice company, supplier, beneficiary bank account (payment address) and payment date must match between the invoice and the credit note. That follow-up was still open.

Prerequisites and limitations Confirmed on IFS Applications 10. The IFS8 guidance is a separate, partially verified answer and one IFS8 user still saw the error. Credit and debit invoices only net together when they share invoice company, supplier, beneficiary bank account and payment date, and the aggregated amount must be positive. The identity and invoice numbers in the original error were replaced with placeholders.