# IT-R-003

Source: https://xmlvalid.com/rules/IT-R-003

> BT-37 (Seller city) - Italian suppliers MUST provide the postal address city - I fornitori italiani devono indicare la città di residenza.

- Level: error
- Rule sets: Peppol BIS Billing 3.0 rules 3.0.21
- Context: `cac:AccountingSupplierParty/cac:Party[$supplierCountry = 'IT']`
- Test: `cac:PostalAddress/cbc:CityName`

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