Document format and locale facts for Iceland

Why these defaults?

The country code comes from ISO 3166. Unicode CLDR supplies presentation-oriented locale, currency, paper, date, language, calendar, numbering, and direction metadata. Defaults reduce setup time; they do not decide what a valid document must contain.

Recorded official or regional-official language tags: is.

Selected national claims reviewed

Document vocabulary and checks

Core Icelandic VAT-invoice particulars, statutory seven-year VAT-record retention and electronic-invoice/accounting boundary are reviewed. Registration, special documents, kennitala/VAT validation, transaction-specific treatment, public-buyer procurement details, Peppol transmission and compliant electronic-accounting artifact creation remain separate checks or unimplemented functions.

Evidence snapshot: 5 official sources · last reviewed 2026-07-19. This is scoped guidance, not a jurisdiction-wide compliance certification.

Tax labels: VSK (VAT). Business identifier labels: Kennitala / VAT Number.

• Guidance: Iceland Revenue and Customs says VAT invoices are issued for taxable sales and include the issue date, purchaser and seller name and kennitala, seller VAT number, sale type, quantity, unit and total price, consecutively pre-numbered invoice identity, whether VAT is included, and the VAT amount. Exempt sellers must not imply VAT is included.Evidence IS_SKATTURINN_VAT · reviewed 2026-07-19 · review by 2027-01-19 · automation advisory only
• Guidance: Iceland's VAT Act requires books, settlements and data related to VAT returns to be safeguarded for seven years from the close of the relevant accounting year. Other accounting, audit or dispute rules can extend practical retention.Evidence IS_VAT_ACT · reviewed 2026-07-19 · review by 2027-01-19 · automation advisory only
• Guidance: Iceland regulates electronic invoices and electronic accounting, including authenticity, traceability, storage and system requirements. Regulation 44/2019 requires public authorities to receive EN 16931 electronic invoices for covered public contracts. This preview does not generate a compliant electronic accounting artifact, determine public-procurement scope, or transmit through an electronic delivery network.Evidence IS_EINVOICE_REGULATION, IS_PUBLIC_CONTRACT_EINVOICE · reviewed 2026-07-19 · review by 2027-01-19 · automation advisory only

Identifier format guidance: See the relevant authority.