# BT-144 — Invoice line charge reason

> https://billhorse.com/en/terms/bt-144/

Free-text reason for the charge (e.g. "express surcharge"). Every line charge needs a reason as text (BT-144) or code (BT-145).

## Where does it live in the XML?

- UBL: `cac:InvoiceLine/cac:AllowanceCharge[cbc:ChargeIndicator=true]/cbc:AllowanceChargeReason`
- CII: `ram:SpecifiedTradeAllowanceCharge[ChargeIndicator=true]/ram:Reason`