Documentation · Country reference
Exactly what we produce, for every buyer country.
Short, honest reference pages for each mandate we cover. No SDK overview, no marketing loop. Each page answers three questions: what the format is, what Arveleht produces, and what you do with the output.
DE
liveXRechnung 3.0 + Factur-XHow Arveleht handles German XRechnung
Federal B2B mandate since 2025. Arveleht renders XRechnung 3.0 UBL and Factur-X PDF/A-3, validated against KoSIT + Bundesdruckerei acceptance.
BE
pendingPeppol BIS 3.0How Arveleht handles Belgian Peppol
Mandatory B2B since January 2026. Arveleht renders Peppol BIS 3.0 UBL for download while live Peppol relay stays provider-verification pending.
FR
previewFactur-X EN 16931 CIIHow Arveleht handles French Factur-X
Ahead of the September 2027 PDP mandate, Arveleht already emits EN 16931 CII today and embeds it into PDF/A-3 on request.
PL
betaKSeF FA(2)How Arveleht handles Polish KSeF
Voluntary today, mandatory 1 February 2026 for large taxpayers and 1 April 2026 for everyone else. Arveleht renders FA(2) XML for manual upload to ksef.mf.gov.pl.
Missing your country? hello@arveleht.eu — we prioritise by real demand, not by roadmap.