Guide · Updated May 2026
Markdown exportPayment and IBAN problems
Bank transfer invoices normally need structured payment method and payment account data such as IBAN.
What you may see
Use these points as the practical checks for this section.
- Payment instructions are required
- IBAN is required for credit transfer
- Invalid IBAN format
- Invalid IBAN checksum
- Payment means type is missing
- Skonto or payment discount format is invalid
What this means
When an invoice says it should be paid by bank transfer, the e-invoice usually needs structured payment instructions. That normally includes the payment method and the payment account identifier, such as an IBAN.
What to check
Use these points as the practical checks for this section.
- Payment method
- IBAN
- BIC, if present or required by the recipient
- Payment terms
- Early-payment discount wording