Country Guides

The most common XRechnung validation errors, why they happen, and how to fix each one. Practical guidance for anyone sending e-invoices in Germany.

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.

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.

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.

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.