# ibr-008

Source: https://xmlvalid.com/rules/ibr-008

> An Invoice MUST contain the Seller postal address (ibg-05).

- Level: error
- Rule sets: PINT Billing rules 1.1.3, PINT Billing rules (as shipped with PINT AE) 1.0.4
- Context: `/ubl:Invoice | /cn:CreditNote`
- Test: `exists(cac:AccountingSupplierParty/cac:Party/cac:PostalAddress)`

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