# PEPPOL-T16-B00105

Source: https://xmlvalid.com/rules/PEPPOL-T16-B00105

> Element 'cac:DespatchSupplierParty' MUST be provided.

- Level: error
- Rule sets: Peppol Despatch Advice rules 3.5
- Context: `/ubl:DespatchAdvice`
- Test: `cac:DespatchSupplierParty`

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