This article provides a comprehensive, region‑by‑region overview of e‑invoicing requirements, detailing mandatory formats, transmission protocols, and deadlines for each country. It highlights key national mandates such as Italy’s FatturaPA, France’s Factur‑X, Germany’s XRechnung, and India’s JSON‑based IRP system, offering a practical guide for businesses operating across borders.

Poland has made e‑invoicing mandatory for all VAT‑registered businesses through its KSeF platform, effective February 2026 for large taxpayers and April 2026 for SMEs and foreign entities. The new system integrates with the existing JPK SAF‑T reporting framework, requiring KSeF identification numbers in VAT returns and imposing penalties for non‑compliance. The rollout also mandates KSeF IDs in bank transfers from August 2026 and extends to micro‑entrepreneurs from January 2027.

The Fintua blog post discusses OECD's latest updates on indirect tax, highlighting the shift toward real‑time, data‑driven administration, e‑invoicing, and digital reporting across jurisdictions. It covers the rollout of e‑invoicing and B2C digital services in EU countries, the UAE's expansion to non‑resident entities, and the development of the DCTR toolkit. The article emphasizes collaboration between businesses and tax authorities and the role of AI in tax compliance.

The article discusses how e‑invoicing transforms VAT recovery on travel and entertainment expenses, highlighting the shift from manual, employee‑driven processes to automated, XML‑based workflows. It outlines the challenges of identifying T&E invoices, preventing duplicate payments, and the varying complexities across EU jurisdictions, and offers practical guidance for businesses to implement classification logic and align e‑invoicing with ERP transformations.

Greece has introduced a three-layer digital tax framework that combines real‑time reporting via myDATA, a structured B2B e‑invoicing mandate, and an e‑transport system for goods movement. The B2B e‑invoicing requirement becomes mandatory on March 2 2026 for firms with revenue above €1 million and on October 1 2026 for all other businesses, while myDATA has been compulsory since 2021. Early adopters receive significant tax incentives, and non‑compliance triggers steep penalties.