Message

A customer postal address in an invoice MUST contain at least city name, zip code and country code.

Context
cac:AccountingCustomerParty/cac:Party
Test
cac:PostalAddress/cbc:CityName and cac:PostalAddress/cbc:PostalZone and cac:PostalAddress/cac:Country/cbc:IdentificationCode
Usage
/ ubl:Invoice / cac:AccountingCustomerParty / cac:Party / cac:PostalAddress / cbc:CityName
/ ubl:Invoice / cac:AccountingCustomerParty / cac:Party / cac:PostalAddress / cbc:PostalZone
/ ubl:Invoice / cac:AccountingCustomerParty / cac:Party / cac:PostalAddress / cac:Country / cbc:IdentificationCode