# BT-14 — Sales order reference

> https://billhorse.com/en/terms/bt-14/

The seller's own order number for the same transaction — the counterpart to the buyer's purchase order (BT-13).

## Where does it live in the XML?

- UBL: `cac:OrderReference/cbc:SalesOrderID`
- CII: `rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeAgreement/ram:SellerOrderReferencedDocument/ram:IssuerAssignedID`