#compliance

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.

There are dozens of e-invoice validation tools on the market. Here's what to look for, what to avoid, and the questions most buyers forget to ask.

About to start sending real e-invoices? Run through this checklist first. Each item has caught a production issue at least once.

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.

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.

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.

How to add a compliance layer to your ERP product: architecture, integration patterns, code examples, and the Evidence Pack workflow.

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.

When a Peppol invoice gets rejected, the cost isn't just the error fix. It's the payment delay, the support calls, and the trust erosion. Here's the full picture.

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.

Validators show errors. They don't fix them. Here's why the gap between validation and compliance is where invoice pipelines break.