[BR-CO-27]- Either the IBAN or a Proprietary ID (BT-84) shall be used.
Stored validation assertion
(ram:PayeePartyCreditorFinancialAccount/ram:IBANID or ram:PayeePartyCreditorFinancialAccount/ram:ProprietaryID) and not(ram:PayeePartyCreditorFinancialAccount/ram:IBANID and ram:PayeePartyCreditorFinancialAccount/ram:ProprietaryID)