XRechnung 2.1.0 · CII
Rules: XRechnung Schematron rules by Koordinierungsstelle für IT-Standards (KoSIT) · Apache-2.0
[BR-20]-The Seller tax representative postal address (BG-12) shall contain a Tax representative country code (BT-69), if the Seller (BG-4) has a Seller tax representative party (BG-11).
(ram:PostalTradeAddress/ram:CountryID)