#2026

The 1 August 2026 Peppol change was narrower than pre-cutover coverage suggested. Two hard cutovers remain — 17 August (BIS 3.0 May 2026 Release mandatory) and 31 August (SML DNS migration). Both are upstream of your local validator. Here's the days-until, the exact failure modes, and the reframe on what actually happened on 1 August.

A complete developer reference for Factur-X — the hybrid PDF/A-3 + CII XML format used across France, Germany, and Luxembourg. XML anatomy, profile hierarchy, EN 16931 rule mapping, validation errors, and code samples.

What a Peppol Access Point actually is, what it does on the wire, how SMP/SML discovery works, where the BIS/PINT format split sits, and how the April 2026 G3 PKI cutover changed the operating picture. Written for ERP and B2B SaaS teams deciding whether to operate, buy, or wrap one.

France's B2B e-invoicing mandate goes live September 1, 2026. For ERP integration teams, the work isn't the Factur-X format — it's the Plateforme Agréée routing, the AFNOR API, and the CIUS-FR profile rules. Here's what to build.

Italy's Agenzia delle Entrate published SDI technical specs v1.9.1 with three breaking changes effective May 15, 2026: a new error code 00327 for VAT Group invoices, expanded recipient code caps for service providers (100 → 300), and a new ESENZSPORT exemption code. Here's the technical breakdown for ERP integration teams.

France's e-invoicing mandate starts September 2026 for large enterprises. Here's the timeline, the formats, and exactly what you need to prepare.

The EU e-invoicing landscape changed dramatically in 2026. Here's the country-by-country status, key deadlines, and what your business needs to do right now.

FeRD and FNFE-MPE will release ZUGFeRD 2.5 / Factur-X on May 20, 2026 — adding native gross invoice support, refreshed EN 16931 code lists, and ViDA-ready fields. Here's what changes, what breaks, and what to ship before customers start sending 2.5 invoices into your ERP.

We analyzed thousands of invoice validations. These are the 10 errors that trip up European businesses most — with fix instructions for each.

Spain has moved from draft to law. Royal Decree 238/2026 implements the Ley Crea y Crece B2B e-invoicing mandate, and the April 17 draft Ministerial Order sets an October 1, 2026 trigger date. Here's what ERP vendors need to build toward.

Belgium's 3-month e-invoicing grace period ended March 31, 2026. Penalties are now active. Here's what changed, what the fines look like, and what ERP vendors need to do right now.

Belgium's three-month tolerance period for B2B Peppol e-invoicing ended March 31, 2026. Full penalty enforcement is now active. Here's what changed and what ERP vendors need to do.

Belgium's three-month tolerance period for mandatory B2B Peppol e-invoicing ends March 31, 2026. Here's what ERP vendors and their customers need to know about penalties, technical requirements, and what to do now.

With just 17 days until Poland's KSeF Phase 2 deadline on April 1, 2026, every VAT-registered business must be ready to issue and receive structured e-invoices. Here's your last-minute technical checklist for ERP compliance.

With just 17 days until Poland's KSeF Phase 2 deadline on April 1, 2026, every VAT-registered business must be ready to issue and receive structured e-invoices. Here's your last-minute technical checklist for ERP compliance.

Greece's B2B e-invoicing mandate via myDATA is now live for large enterprises. Here's the technical breakdown of the AADE clearance model, submission API, and what ERP vendors must implement before October 2026.

Poland's KSeF mandate hits all VAT-registered SMEs on April 1, 2026. Here's the technical breakdown of the FA(3) schema, KSeF 2.0 API, and what ERP vendors must ship before the deadline.

Belgium requires structured e-invoicing for all domestic B2B transactions since January 1, 2026. Peppol BIS 3.0 is the standard. The grace period ends March 31. Here's what you need.

Reception has been mandatory since January 2025. The B2B sending mandate is roughly eight months away. Here's the current state, what changed in 2026, and what to do before January 2027.