[ibr-017]-The Payee name (ibt-059) MUST be provided in the Invoice, if the Payee (ibg-10) is different from the Seller (ibg-04).
ibr-017
cac:PayeeParty
exists(cac:PartyName/cbc:Name) and (not(cac:PartyName/cbc:Name = ../cac:AccountingSupplierParty/cac:Party/cac:PartyName/cbc:Name) and not(cac:PartyIdentification/cbc:ID = ../cac:AccountingSupplierParty/cac:Party/cac:PartyIdentification/cbc:ID) )