# BR-CIUS-PT-06

Source: https://xmlvalid.com/rules/BR-CIUS-PT-06

> The Seller postal address (BG-5) shall contain a Seller city (BT-37).

- Level: error
- Rule sets: CIUS-PT rules (Portugal, UBL) 2.1.1
- Context: `cac:AccountingSupplierParty/cac:Party/cac:PostalAddress`
- Test: `exists(cbc:CityName)`

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