# PEPPOL-T115-B00107

Source: https://xmlvalid.com/rules/PEPPOL-T115-B00107

> Element 'cac:BuyerCustomerParty' MUST be provided.

- Level: error
- Rule sets: Peppol Order Cancellation rules 3.0
- Context: `/ubl:OrderCancellation`
- Test: `cac:BuyerCustomerParty`

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