# ibr-019

Source: https://xmlvalid.com/rules/ibr-019

> The Seller tax representative postal address (ibg-12) MUST be provided in the Invoice, if the Seller (ibg-04) has a Seller tax representative party (ibg-11).

- Level: error
- Rule sets: PINT Billing rules 1.1.3, PINT Billing rules (as shipped with PINT AE) 1.0.4
- Context: `cac:TaxRepresentativeParty`
- Test: `exists(cac:PostalAddress)`

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