DE-R-031

If both supplier and customer are located in Germany, and if the group "DIRECT DEBIT" (BG-19) is delivered, the element "Debited account identifier" (BT-91) shall be provided.

error: the document is invalid Peppol documentation ↗

What the rule checks

As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.

Context
(/ubl-invoice:Invoice | /ubl-creditnote:CreditNote)[$supplierCountryIsDE and $customerCountryIsDE]
Test
not(cac:PaymentMeans/cac:PaymentMandate) or (cac:PaymentMeans/cac:PaymentMandate/cac:PayerFinancialAccount/cbc:ID)

Checked with Peppol BIS Billing 3.0 Invoice, Peppol BIS Billing 3.0 Credit Note