# PEPPOL-T01-B11401

Source: https://xmlvalid.com/rules/PEPPOL-T01-B11401

> Element 'cac:PostalAddress' MUST be provided.

- Level: error
- Rule sets: Peppol Order rules 3.7
- Context: `/ubl:Order/cac:AccountingCustomerParty/cac:Party`
- Test: `cac:PostalAddress`

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