# BT-132 — Referenced purchase order line reference

> https://billhorse.com/en/terms/bt-132/

Reference to the line of the related purchase order so the buyer can match the invoice line automatically. The order itself is referenced by BT-13 at document level.

## Where does it live in the XML?

- UBL: `cac:InvoiceLine/cac:OrderLineReference/cbc:LineID`
- CII: `ram:SpecifiedLineTradeAgreement/ram:BuyerOrderReferencedDocument/ram:LineID`