# BT-125 — Attached document

> https://billhorse.com/en/terms/bt-125/

The attachment itself as Base64-encoded binary content, with the mandatory attributes mimeCode and filename. Allowed MIME types include application/pdf, image/png, image/jpeg and the spreadsheet formats CSV/XLSX/ODS.

## Where does it live in the XML?

- UBL: `cac:AdditionalDocumentReference/cac:Attachment/cbc:EmbeddedDocumentBinaryObject`
- CII: `ram:AdditionalReferencedDocument/ram:AttachmentBinaryObject`