A customer postal address in a credit note MUST contain at least, city name, zip code and country code.
cac:AccountingCustomerParty/cac:Party(cac:PostalAddress/cbc:CityName and cac:PostalAddress/cbc:PostalZone and cac:PostalAddress/cac:Country/cbc:IdentificationCode and (cac:PostalAddress/cac:Country/cbc:IdentificationCode = 'NO')) or not(cac:PostalAddress/cac:Country/cbc:IdentificationCode = 'NO')