# IS-R-002

Source: https://xmlvalid.com/rules/IS-R-002

> If seller is icelandic then it shall contain sellers legal id — Ef seljandi er íslenskur þá skal reikningur innihalda íslenska kennitölu seljanda (BT-30).

- Level: error
- Rule sets: Peppol BIS Billing 3.0 rules 3.0.21
- Context: `ubl-creditnote:CreditNote[$SupplierCountry = 'IS'] | ubl-invoice:Invoice[$SupplierCountry = 'IS']`
- Test: `exists(cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cbc:CompanyID) and cac:AccountingSupplierParty/cac:Party/cac:PartyLegalEntity/cbc:CompanyID/@schemeID = '0196'`

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