Germany’s KoSIT confirms progress on XRechnung 4.0, aligning with the forthcoming EN 16931‑1:2026 standard. The article outlines key milestones: the EN 16931 release in March 2026, XRechnung 4.0 specification in the second half of 2026, mandatory electronic invoicing for all German businesses by 2028, and national and intra‑community VAT reporting from July 2030.

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 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.

The UAE Ministry of Finance released e‑invoicing guidelines in February 2026, clarifying that intra‑VAT group transactions fall within the e‑invoicing scope and introducing a 24‑month grace period starting 1 January 2027. The phased rollout begins on 1 January 2027 for Phase 1 and 1 July 2027 for Phase 2, with the grace period calendar‑based, giving Phase 1 entities full relief but only 18 months to Phase 2 entities. Corporate tax groups receive no such relief.

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.