Ireland is rolling out a domestic eInvoicing regime, beginning with large corporates in November 2028 and expanding to all VAT‑registered businesses by July 2030. The initiative aligns with the EU’s ViDA framework and uses the EN 16931 standard for structured invoices, aiming to improve real‑time reporting and fraud prevention.

Spain's Tax Agency has enacted Royal Decree 238/2026, mandating electronic invoicing for businesses and professionals. The decree takes effect 20 April 2026, with high‑volume firms (VAT turnover > €8 million) required to comply 12 months after the ministerial order, and others 24 months later. A free application will be provided, and the public e‑invoicing platform must be available at least two months before the first effective application.

The EU VAT reforms tracker outlines a comprehensive schedule of upcoming legislative and compliance changes across the EU, including new VAT registration thresholds, e-invoicing requirements, import VAT liabilities, and the Carbon Border Adjustment Mechanism. Key dates range from 2025 to 2035, covering digital services, e-commerce, and cross‑border trade. The tracker serves as a reference for businesses to anticipate and adapt to evolving EU VAT rules.

The blog explains that ISO 27001 certification is becoming a mandatory requirement for e‑invoicing platforms in several jurisdictions, notably France, the Netherlands, Australia, and New Zealand. It outlines the key dates, such as France’s September 2026 deadline and the October 2025 completion of the ISO 27001:2022 transition, and details the certification’s three‑year validity and surveillance audit schedule.

Denmark is tightening its digital bookkeeping and e‑invoicing framework, moving from encouragement to default digital behaviour. From July 2026, e‑invoicing will be the default output, and businesses on registered systems will be automatically enrolled in the NemHandel network unless they opt out. The roadmap also sets a 2028 start for Peppol PINT migration, full transition by 2029, and SAF‑T 2.0 will require transaction‑level detail from 2027.

This whitepaper explains how aligning VAT returns with e‑invoicing data can improve accuracy, efficiency and control. It discusses the growing regulatory push for real‑time e‑invoicing, the challenges of reconciling fragmented data, and offers a framework for centralised reconciliation to deliver ROI.

From 1 July 2026 Hungary will tighten its M-sheet VAT reporting, requiring detailed breakdowns of VAT charged and deducted by rate, and mandating new data fields. The ÁNYK filing system will be phased out by 31 December 2026, with taxpayers moving to the eVAT platform, and M-sheets will be abolished entirely from 2027. These changes stem from the 2025 Autumn Tax Package and represent a shift toward real‑time, deduction‑based reporting.