# FX-SCH-A-000157

Source: https://xmlvalid.com/rules/FX-SCH-A-000157

> The Buyer postal address shall contain a Buyer country code (BT-55).

- Level: error
- Rule sets: Factur-X BASIC rules 1.09
- Context: `/rsm:CrossIndustryInvoice`
- Test: `//ram:BuyerTradeParty/ram:PostalTradeAddress/ram:CountryID!=''`

Validate a document against these rules: https://xmlvalid.com/validate