# BT-22 — Invoice note

> https://billhorse.com/en/terms/bt-22/

Document-level free text for information that has no structured field — such as mandatory wording about tax exemption or retention obligations.

## Where does it live in the XML?

- UBL: `cbc:Note`
- CII: `rsm:ExchangedDocument/ram:IncludedNote/ram:Content`