# PEPPOL-T76-B00107

Source: https://xmlvalid.com/rules/PEPPOL-T76-B00107

> Element 'cac:OrderReference' MUST be provided.

- Level: error
- Rule sets: Peppol Order Response rules 3.2
- Context: `/ubl:OrderResponse`
- Test: `cac:OrderReference`

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