# BT-29 — Seller identifier

> https://billhorse.com/en/terms/bt-29/

Any identifier of the seller, e.g. a GLN or a supplier number assigned by the buyer. The schemeID attribute names the identification scheme (ISO 6523).

## Where does it live in the XML?

- UBL: `cac:AccountingSupplierParty/cac:Party/cac:PartyIdentification/cbc:ID`
- CII: `rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:SellerTradeParty/ram:ID (oder ram:GlobalID)`