# F-LIB108

Source: https://xmlvalid.com/rules/F-LIB108

> PaymentMeansCode = 31, FinancialInstitutionBranch/ID (Registreringsnummer) element is not used, when PaymentChannelCode equals IBAN

- Level: error
- Rule sets: OIOUBL 2.1 Invoice rules (Denmark) 1.17.2, OIOUBL 2.1 Credit Note rules (Denmark) 1.17.2, OIOUBL 2.1 Reminder rules (Denmark) 1.17.2
- Test: `(cbc:PaymentMeansCode = '31' and cbc:PaymentChannelCode = 'IBAN') and (cac:PayeeFinancialAccount/cac:FinancialInstitutionBranch/cbc:ID)`

Validate a document against these rules: https://xmlvalid.com/validate