Which e-invoice format does your client need?
Pick a country below โ 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
๐ฉ๐ช Germany
Recommended format
ZUGFeRD 2.1
Hybrid PDF with structured XML embedded. Humans and accounting software both read it.
Mandate status
Upcoming mandateReception 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 ZUGFeRDIn plain words
Six formats, one cheat sheet. Every one of these is available in Clozo with a single click.
EU e-invoicing timeline
Key mandate deadlines across your likely client countries.
- 2019 ยท Q1๐ฎ๐น
IT: SdI B2B e-invoicing mandatory (since 2019)
- 2025 ยท Q1๐ฉ๐ช
DE: must accept ZUGFeRD/XRechnung from clients
- 2025 ยท Q1๐ช๐ธ
ES: Verifactu voluntary phase begins
- 2026 ยท Q1๐ง๐ช
BE: Peppol UBL B2B e-invoicing mandatory
- 2026 ยท Q1๐ต๐ฑ
PL: KSeF mandatory for large businesses (phased rollout through 2026-04)
- 2026 ยท Q3๐ซ๐ท
FR: B2B Factur-X via PDP mandatory
- 2027 ยท Q1๐ฉ๐ช
DE: B2B e-invoicing mandatory (large businesses)
- 2027 ยท Q3๐ช๐ธ
ES: Verifactu B2B enforcement completes
- 2028 ยท Q1๐ฉ๐ช
DE: B2B mandatory for small businesses
- 2030 ยท Q1๐ช๐บ
EU-wide ViDA โ cross-border B2B e-invoicing
Dates reflect best-known legislation as of April 2026. Always confirm with your country's tax authority โ mandates shift regularly.
Questions other freelancers had
Plain answers to the things that actually matter when you're the one sending the invoice.
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 โ before the XML ever leaves your machine.