Skip to main content
E-invoice formats, demystified

Which e-invoice format does your client need?

Pick a country below — get the exact format, the deadline, and the Clozo button that generates it. Everything you need in under a minute of reading.

If your client is in

🇩🇪 Germany

Recommended format

ZUGFeRD 2.1

Hybrid PDF with structured XML embedded. Humans and accounting software both read it.

Peppol ID:Not needed
Delivery:Email directly — or attach Leitweg-ID and submit to the B2G portal.

Mandate status

Upcoming mandate

Reception of e-invoices mandatory for all B2B since 2025-01-01. Issuance mandatory from 2027-01-01 (large businesses) / 2028-01-01 (SMEs).

Also accepted

  • Factur-X PDF
  • Peppol UBL

Clozo generates this format in one click from any signed proposal.

Generate ZUGFeRD

In plain words

Six formats, one cheat sheet. Every one of these is available in Clozo with a single click.

FormatPrimary countryTypePeppol IDWhat it is
ZUGFeRD 2.1🇩🇪 GermanyHybrid PDFNoPDF + XML inside, both human- and machine-readable.
Factur-X 1.0🇫🇷 France / EU universalHybrid PDFNoSame idea as ZUGFeRD, different name. EN 16931 compliant.
Peppol UBL 2.1🇳🇱 NL, 🇧🇪 BE, 70+ countriesXMLRequiredSent over the Peppol network like structured email for invoices.
FacturaE 3.2.2🇪🇸 SpainXMLNoXML-only, submitted via the FACe B2G portal or email.
ebInterface 6.1🇦🇹 AustriaXMLNoAustrian B2G standard for the ER>B / USP gateway.
CII (UN/CEFACT)Advanced usersXMLNoRaw Cross Industry Invoice XML — prefer Factur-X unless asked.

EU e-invoicing timeline

Key mandate deadlines across your likely client countries.

  1. 2019 · Q1🇮🇹

    IT: SdI B2B e-invoicing mandatory (since 2019)

  2. 2025 · Q1🇩🇪

    DE: must accept ZUGFeRD/XRechnung from clients

  3. 2025 · Q1🇪🇸

    ES: Verifactu voluntary phase begins

  4. 2026 · Q1🇧🇪

    BE: Peppol UBL B2B e-invoicing mandatory

  5. 2026 · Q1🇵🇱

    PL: KSeF mandatory for large businesses (phased rollout through 2026-04)

  6. 2026 · Q3🇫🇷

    FR: B2B Factur-X via PDP mandatory

  7. 2027 · Q1🇩🇪

    DE: B2B e-invoicing mandatory (large businesses)

  8. 2027 · Q3🇪🇸

    ES: Verifactu B2B enforcement completes

  9. 2028 · Q1🇩🇪

    DE: B2B mandatory for small businesses

  10. 2030 · Q1🇪🇺

    EU-wide ViDA — cross-border B2B e-invoicing

Dates reflect best-known legislation as of April 2026. Always confirm with your country's tax authority — mandates shift regularly.

Questions other freelancers had

Plain answers to the things that actually matter when you're the one sending the invoice.

No. Consumer invoices (B2C) do not require structured e-invoicing — a standard PDF is fine. ZUGFeRD / XRechnung mandates apply to B2B (and B2G) only.

Ready to send your first e-invoice?

Clozo auto-picks the format by your client's country and warns you if mandatory data is missing — before the XML ever leaves your machine.