# PEPPOL-T71-B01101

Source: https://xmlvalid.com/rules/PEPPOL-T71-B01101

> Attribute 'schemeID' MUST be present.

- Level: error
- Rule sets: Peppol Message Level Response rules 3.0
- Context: `/ubl:ApplicationResponse/cac:ReceiverParty/cbc:EndpointID`
- Test: `@schemeID`

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