E-Invoicing in Greece — myDATA, Licensed Providers and the 2 November 2026 Phase 2
Greece's mandatory e-invoicing explained — domestic B2B, B2B with non-EU customers and B2G invoices issued only through an AADE-licensed provider or AADE's free timologio and myDATAapp, transmitted in real time to myDATA, which returns the MARK. Phase 1 (2023 revenue above EUR 1 million) from 2 March 2026; Phase 2 moved from 1 October to 2 November 2026 by A.1197/2026, with parallel use to 31 January 2027. B2G runs separately on EN 16931 and the Greek CIUS of Peppol BIS 3.0 via the GSIS Interoperability Centre. Legal basis, scope, formats, onboarding and penalties.
Greece Tax ID Guide — AFM and FPA (VAT) Numbers Explained
Complete guide to Greece's AFM tax identification number and FPA VAT number — format, 9-digit checksum, VIES EL prefix, non-resident registration, myDATA e-invoicing penalties, and digital nomad tax rules.
Greece VAT guidelines
Learn about VAT (ΦΠΑ) rules in Greece for businesses — the 24%, 13%, 6% and 4% rates and the 30% island reduction from 1 January 2026, no registration threshold and the EUR 10,000 small-business exemption, fiscal representation for non-EU sellers, invoice content, mandatory B2B e-invoicing through certified providers or AADE's timologio from 2 March and 2 November 2026, and monthly or quarterly VAT returns.