# PEPPOL-T111-B01101

Source: https://xmlvalid.com/rules/PEPPOL-T111-B01101

> Element 'cbc:ID' MUST be provided.

- Level: error
- Rule sets: Peppol Invoice Response rules 3.1
- Context: `/ubl:ApplicationResponse/cac:SenderParty/cac:PartyIdentification`
- Test: `cbc:ID`

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