Message

A credit note MUST have a buyer name and/or a buyer identifier

Context
/ubl:CreditNote
Test
(cac:AccountingCustomerParty/cac:Party/cac:PartyName/cbc:Name) or (cac:AccountingCustomerParty/cac:Party/cac:PartyIdentification/cbc:ID)
Usage
/ ubl:CreditNote / cac:AccountingCustomerParty / cac:Party / cac:PartyName / cbc:Name