# BT-15 — Receiving advice reference

> https://billhorse.com/en/terms/bt-15/

Identifier of the buyer's receiving advice that the invoice refers to.

## Where does it live in the XML?

- UBL: `cac:ReceiptDocumentReference/cbc:ID`
- CII: `rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeDelivery/ram:ReceivingAdviceReferencedDocument/ram:IssuerAssignedID`