# PEPPOL-T19-B19901

Source: https://xmlvalid.com/rules/PEPPOL-T19-B19901

> Attribute 'mimeCode' MUST be present.

- Level: error
- Rule sets: Peppol Catalogue rules 3.5
- Context: `/ubl:Catalogue/cac:CatalogueLine/cac:Item/cac:ItemSpecificationDocumentReference/cac:Attachment/cbc:EmbeddedDocumentBinaryObject`
- Test: `@mimeCode`

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