# CII-SR-464

Source: https://xmlvalid.com/rules/CII-SR-464

> PayerSpecifiedDebtorFincancialInstitution should not be used.

- Level: warning
- Rule sets: EN 16931 rules (CII) 1.3.17
- Context: `//ram:SpecifiedTradeSettlementPaymentMeans`
- Test: `not(ram:PayerSpecifiedDebtorFinancialInstitution)`

> PayerSpecifiedDebtorFincancialInstitution shall not be used.

- Level: warning
- Rule sets: EN 16931 rules 1.3.16 (CII), EXTENDED-CTC-FR rules (CII) 1.4.0.04
- Context: `//ram:SpecifiedTradeSettlementPaymentMeans`
- Test: `not(ram:PayerSpecifiedDebtorFinancialInstitution)`

> Only one BT-86 element is allowed on an invoice.

- Level: error
- Rule sets: Factur-X BASIC WL rules 1.09, Factur-X EN 16931 rules 1.09.2, Factur-X EXTENDED rules 1.09.2
- Context: `//ram:SpecifiedTradeSettlementPaymentMeans`
- Test: `(ram:PayeeSpecifiedCreditorFinancialInstitution or ram:PayerSpecifiedDebtorFinancialInstitution) or (not(ram:PayeeSpecifiedCreditorFinancialInstitution) and not(ram:PayerSpecifiedDebtorFinancialInstitution))`

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