[ibr-sr-19]-Payee name (ibt-059) MUST occur maximum once, if the Payee is different from the Seller
ibr-sr-19
cac:PayeeParty
(count(cac:PartyName/cbc:Name) <= 1) or ((cac:PartyName/cbc:Name) = (../cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cbc:RegistrationName))