Sources of truth

Tracking sources

The official government and authority pages we monitor for announcements and notifications, for every jurisdiction in the tracker. Each update on the board and in the newsletter traces back to one of these.

EN · ES · DE · FR

Europe

Estonia

Ministry of Finance (Rahandusministeerium) — accounting source documents & e-invoices.https://fin.ee/finantspoliitika-valissuhted/arvestusvaldkond/raamatupidamise-algdokumendid-arved-e-arved
European Commission eInvoicing Country Factsheethttps://ec.europa.eu/digital-building-blocks/sites/pages/viewpage.action?pageId=905219410

European Union

The European Commission's ViDA (VAT in the Digital Age) policy page — legislative timeline and digital reporting requirement updates.https://taxation-customs.ec.europa.eu/taxation/vat/vat-digital-age-vida_en
VAT One Stop Shop scheme updates — cross-border e-commerce VAT reporting rules.https://vat-one-stop-shop.ec.europa.eu/index_en

Finland

Finnish State Treasury guidance — B2G e-invoicing requirements and network updates.https://www.valtiokonttori.fi/en/e-invoicing-fast-and-safe/
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108884/eInvoicing+in+Finland

France

Chorus Pro / PPF platform announcements — B2B rollout phases and format specifications.https://chorus-pro.gouv.fr
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108885/eInvoicing+in+France
FNFE-MPE (Forum National de la Facture Électronique) — the public-private consultation body coordinating France's e-invoicing reform, publishing implementation guidance and best practices. Not a government body itself.https://fnfe-mpe.org/

Germany

European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108886/eInvoicing+in+Germany

Greece

AADE — myDATA platform updates: phase deadlines, technical bulletins, and enforcement guidance.https://www.aade.gr/mydata
AADE main site — broader tax authority announcements and enforcement decisions.https://www.aade.gr/
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108887/eInvoicing+in+Greece

Hungary

NAV Online Szamla — the real-time invoice data reporting portal at the heart of Hungary's RTIR system.https://onlineszamla.nav.gov.hu/
Nemzeti Ado- es Vamhivatal (NAV) — the National Tax and Customs Administration's general site, covering the energy/water e-invoicing mandate, receipt-reporting rules, and the comprehensive e-invoicing consultation.https://nav.gov.hu/
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108888/eInvoicing+in+Hungary

Iceland

island.is — Regulation 44/2019 official text, the primary legal source for Iceland's B2G e-invoicing requirement.https://island.is/reglugerdir/nr/0044-2019
Fjarsysla rikisins (Financial Management Authority) — official guidance on receiving e-invoices for Icelandic state institutions.https://fjs.atlassian.net/wiki/spaces/FJS/pages/2059173935/Rafr+nir+reikningar
European Commission's country factsheet for Iceland — legal framework and mandate status, self-flagged "NO VERIFICATION" by its own reviewer as of its last update, so treat with a little more caution than a fully-reviewed EU member factsheet.https://ec.europa.eu/digital-building-blocks/sites/spaces/einvoicingCFS/pages/881983581/2025+Iceland+2025+eInvoicing+Country+Sheet

Ireland

Revenue's ViDA and VAT Modernisation hub — implementation timeline, phase scope, and new guidance pages as they're published.https://www.revenue.ie/en/vat/vida-vat-modernisation/index.aspx
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108889/eInvoicing+in+Ireland

Italy

Agenzia delle Entrate's e-invoicing guidance and regulatory updates.https://www.agenziaentrate.gov.it/portale/web/english/electronic-invoicing
Sistema di Interscambio (SdI) technical notices — schema versions and exchange rules.https://www.fatturapa.gov.it
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108890/eInvoicing+in+Italy

Latvia

ifinanses.lv (VID-linked public information site) — guidance on Latvia's structured e-invoice requirements from 2025, including the B2G mandate and the Accounting Law basis.https://ifinanses.lv/raksti/aktuali/vid-informacija/lv-strukturetie-elektroniskie-rekini-no-2025-gada/30259
plz.lv — coverage of the 5 June 2025 Saeima amendment postponing the B2B e-invoicing mandate from 2026 to 2028, the primary source for that correction.https://www.plz.lv/gramatvedibas-likuma-grozijumi-par-e-rekinu-apriti-uznemumu-starpa/
European Commission's country factsheet — legal framework and B2G/B2B/B2C scope. Note: as of this research, it has not been updated since the 5 June 2025 postponement and still shows a 1 Jan 2026 B2B date; treat this page's other sources as authoritative for the current B2B date.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108891/eInvoicing+in+Latvia

Liechtenstein

Steuerverwaltung newsletters — the authority's own announcement channel, which in its entire history carries no entry on electronic invoicing.https://www.llv.li/serviceportal2/amtsstellen/steuerverwaltung/newsletter/stv_newsletter_uebersicht.pdf
EFTA EEA-Lex — where a European e-invoicing instrument appears if it is incorporated into the EEA Agreement, the only route to a non-EU state.https://www.efta.int/eea-lex/32014l0055
The Steuerverwaltung's VAT section — rates, practice publications, the public VAT register and the eMWST filing portal.https://www.llv.li/en/national-administration/fiscal-authority/value-added-tax

Lithuania

SABIS — Lithuania's national B2G e-invoicing platform.https://sabis.evaf.lt
VMI (State Tax Inspectorate) — i.SAF VAT-ledger reporting explainer.https://www.vmi.lt/evmi/kokias-pvm-saskaitas-fakturas-privaloma-pateikti-pildant-i.saf-pvm-saskaitu-fakturu-registrus-
European Commission eInvoicing Country Factsheethttps://ec.europa.eu/digital-building-blocks/sites/spaces/einvoicingCFS/pages/881983586/2025+Lithuania+2025+eInvoicing+Country+Sheet

Luxembourg

European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108893/eInvoicing+in+Luxembourg

Malta

Malta Tax and Customs Administration (MTCA) — E-Invoicing and DRR.https://mtca.gov.mt/business-tax/vat1/vat-information/e-invoicing-and-drr/e-invoicing-and-drr
Ministry for Finance — e-Invoicing.https://finance.gov.mt/resources/einvoicing/
European Commission eInvoicing Country Factsheethttps://ec.europa.eu/digital-building-blocks/sites/spaces/einvoicingCFS/pages/881983590/2025+Malta+2025+eInvoicing+Country+Sheet

Netherlands

Logius e-Factureren updates — B2G channel guidance and standards.https://www.logius.nl/onze-dienstverlening/gegevensuitwisseling/e-factureren
Netherlands Peppol Authority announcements — the domestic B2B mandate decision and infrastructure updates.https://www.peppolautoriteit.nl
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108895/eInvoicing+in+The+Netherlands

Norway

Norwegian Tax Administration announcements on e-invoicing and digital reporting.https://www.skatteetaten.no
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108905/eInvoicing+in+Norway

Poland

KSeF technical notices feed — dated entries for service interruptions, API limit changes, and 2.0 migration steps.https://ksef.podatki.gov.pl/komunikaty-techniczne/
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108896/eInvoicing+in+Poland

Portugal

Autoridade Tributária "Destaques" feed — a broad tax/customs news feed that reliably carries e-Fatura and SAF-T deadline changes among its updates.https://info.portaldasfinancas.gov.pt/pt/destaques/Paginas/default.aspx
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108897/eInvoicing+in+Portugal

Romania

ANAF e-Factura technical bulletins — B2B mandate scope and RO e-Transport updates.https://mfinante.gov.ro/en/web/efactura/informatii-tehnice
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108898/eInvoicing+in+Romania

Serbia

Official Legal Information System (Pravno-informacioni sistem) — Zakon o elektronskom fakturisanju full text, the primary source for Serbia's e-invoicing law.https://pravno-informacioni-sistem.rs/eli/rep/sgrs/skupstina/zakon/2021/44/3/reg
Ministry of Finance — Zakon o elektronskim otpremnicama full text, the primary source for Serbia's e-delivery-note law.https://mfin.gov.rs/sr/propisi-1/zakon-o-elektronskim-otpremnicama-slubeni-glasnik-rs-br-942024-i-1092025-nezvanino-preien-tekst-redakcije-slubenog-glasnika-1
SEF (Sistem elektronskih faktura) — the official news/announcements portal for Serbia's central e-invoicing platform, including version-release notices.https://www.efaktura.gov.rs/

Slovakia

Slovak Financial Administration updates on e-invoicing legislation.https://www.financnasprava.sk/en/homepage
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108899/eInvoicing+in+Slovakia

Slovenia

Official Gazette (Uradni list RS) — ZIERDED full legal text, the primary source for Slovenia's B2B e-invoicing law.https://www.uradni-list.si/glasilo-uradni-list-rs/vsebina/2025-01-3032/zakon-o-izmenjavi-elektronskih-racunov-in-drugih-elektronskih-dokumentov-zierded
UJP e-Racuni — the public-sector (B2G) e-invoice submission portal, operated by the Administration of the Republic of Slovenia for Public Payments.https://eracuni.ujp.gov.si/
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/einvoicingCFS/pages/881983598/2025+Slovenia+2025+eInvoicing+Country+Sheet

Spain

Agencia Tributaria updates on VeriFactu and the B2B mandate — technical specifications and deadline changes.https://sede.agenciatributaria.gob.es/Sede/iva/sistemas-informaticos-facturacion-verifactu.html
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108901/eInvoicing+in+Spain

Sweden

DIGG's Peppol authority updates — public sector e-invoicing guidance.https://www.digg.se
European Commission's country factsheet — legal framework, B2G/B2B/B2C scope, and mandate status, reviewed and updated periodically.https://ec.europa.eu/digital-building-blocks/sites/spaces/DIGITAL/pages/467108902/eInvoicing+in+Sweden

Switzerland

Federal Finance Administration — the Confederation's own e-invoicing pages, where any change to the federal supplier obligation appears first.https://www.efv.admin.ch/de/elektronische-rechnungen-stellen-und-empfangen
Federal Procurement Conference — the standard terms whose clause 9.4 IS the obligation. There is no ordinance; this document is the law of it.https://www.bkb.admin.ch/de/agb-des-bundes
Federal Tax Administration — VAT filing. Watch for any move from aggregate returns toward transaction data, which is the change that would matter.https://www.estv.admin.ch/de/mwst-online-abrechnen

Turkey

Revenue Administration (GİB) — e-Belge portal for e-Fatura, e-Arşiv, e-Defter, and e-İrsaliye registration and access.https://ebelge.gib.gov.tr
Revenue Administration (Gelir İdaresi Başkanlığı, GİB) — the body administering Turkey's e-invoicing mandates and tax law.https://www.gib.gov.tr

United Kingdom

UK government's e-invoicing consultation and policy page — public sector and business adoption plans.https://www.gov.uk/government/consultations/promoting-electronic-invoicing-across-uk-businesses-and-the-public-sector/electronic-invoicing-promoting-e-invoicing-across-uk-businesses-and-the-public-sector