# BG-24 — Additional supporting documents

> https://billhorse.com/en/terms/bg-24/

References to or attachments of documents backing the invoice — e.g. timesheets, delivery notes or measurements. Documents can be embedded or referenced by URL.

## Where does it live in the XML?

- UBL: `cac:AdditionalDocumentReference`
- CII: `ram:AdditionalReferencedDocument`

## Contained fields

- [BT-122 — Supporting document reference](https://billhorse.com/en/terms/bt-122/)
- [BT-123 — Supporting document description](https://billhorse.com/en/terms/bt-123/)
- [BT-124 — External document location](https://billhorse.com/en/terms/bt-124/)
- [BT-125 — Attached document](https://billhorse.com/en/terms/bt-125/)