# PEPPOL-T01-B07501

Source: https://xmlvalid.com/rules/PEPPOL-T01-B07501

> Element 'cbc:ID' MUST be provided.

- Level: error
- Rule sets: Peppol Order rules 3.7
- Context: `/ubl:Order/cac:SellerSupplierParty/cac:Party/cac:PartyIdentification`
- Test: `cbc:ID`

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