Fixture ID: noAddressParts · XPath: /ubl:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PostalAddress/cbc:CityName
XRechnung requires the element "Buyer city" (BT-52). Core EN 16931 only requires the country code, but the German CIUS additionally makes city and post code mandatory on both parties so that the address is deliverable, not merely jurisdictional.
BR-DE-8Set buyer.address.city.
"city": "Berlin"