# DK-R-006

Source: https://xmlvalid.com/rules/DK-R-006

> For Danish suppliers bank account and registration account is mandatory if payment means is 31 or 42

- Level: error
- Rule sets: Peppol BIS Billing 3.0 rules 3.0.21
- Context: `ubl-invoice:Invoice[$DKSupplierCountry = 'DK' and $DKCustomerCountry = 'DK']/cac:PaymentMeans`
- Test: `not(((cbc:PaymentMeansCode = '31') or (cbc:PaymentMeansCode = '42')) and not((normalize-space(cac:PayeeFinancialAccount/cbc:ID/text()) != '') and (normalize-space(cac:PayeeFinancialAccount/cac:FinancialInstitutionBranch/cbc:ID/text()) != '')) )`

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