Resources

Official information on European e-invoicing standards

🇵🇱

KSeF / FA3

Poland

Mandatory 2026

Polish national e-invoicing system. FA3 format mandatory for all businesses from 2026.

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🇫🇷

Factur-X

France

Mandatory 2026-2027

Franco-German hybrid format combining PDF and structured XML data.

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🇮🇹

FatturaPA

Italy

Already mandatory

Italian XML format for the Sistema di Interscambio (SDI).

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🇩🇪

XRechnung

Germany

Mandatory B2G

German standard based on UBL/CII for public procurement.

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🇪🇸

Facturae

Spain

Mandatory B2G

Spanish XML format mandatory for invoices to public administrations.

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🇪🇺

Peppol BIS

Pan-European

European standard

Pan-European exchange network for B2B and B2G transactions between businesses.

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🌍

UBL 2.1

International

OASIS Standard

Universal Business Language - international reference standard for business documents.

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Disclaimer

The information presented on this page is provided for informational purposes and may change. Always consult official sources for the most up-to-date information.