# PEPPOL-T16-B01401

Source: https://xmlvalid.com/rules/PEPPOL-T16-B01401

> Attribute 'mimeCode' MUST be present.

- Level: error
- Rule sets: Peppol Despatch Advice rules 3.5
- Context: `/ubl:DespatchAdvice/cac:AdditionalDocumentReference/cac:Attachment/cbc:EmbeddedDocumentBinaryObject`
- Test: `@mimeCode`

Validate a document against these rules: https://xmlvalid.com/validate