IS-R-001
If seller is icelandic then invoice type should be 380 or 381 — Ef seljandi er íslenskur þá ætti gerð reiknings (BT-3) að vera sölureikningur (380) eða kreditreikningur (381).
warning: reported, still valid
Peppol documentation ↗
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
Context
ubl-creditnote:CreditNote[$SupplierCountry = 'IS'] | ubl-invoice:Invoice[$SupplierCountry = 'IS']
Test
( ( not(contains(normalize-space(cbc:InvoiceTypeCode),' ')) and contains( ' 380 381 ',concat(' ',normalize-space(cbc:InvoiceTypeCode),' ') ) ) ) or ( ( not(contains(normalize-space(cbc:CreditNoteTypeCode),' ')) and contains( ' 380 381 ',concat(' ',normalize-space(cbc:CreditNoteTypeCode),' ') ) ) )
Checked with Peppol BIS Billing 3.0 Invoice, Peppol BIS Billing 3.0 Credit Note