# BT-6 — VAT accounting currency code

> https://billhorse.com/en/terms/bt-6/

Only needed when VAT has to be accounted for in a currency other than the invoice currency (e.g. invoice in USD, tax in EUR). Must differ from BT-5.

## Where does it live in the XML?

- UBL: `cbc:TaxCurrencyCode`
- CII: `rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ram:TaxCurrencyCode`