# BT-55 — Buyer country code

> https://billhorse.com/en/terms/bt-55/

Country of the buyer's address as a two-letter ISO 3166-1 code. The only mandatory field of the buyer address at EN 16931 level.

## Where does it live in the XML?

- UBL: `cac:AccountingCustomerParty/cac:Party/cac:PostalAddress/cac:Country/cbc:IdentificationCode`
- CII: `rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:BuyerTradeParty/ram:PostalTradeAddress/ram:CountryID`

## Checked by these rules

- [BR-11 — Buyer country missing](https://billhorse.com/en/rules/br-11/)