- Greece is upgrading its existing myDATA reporting system into mandatory structured domestic B2B e-invoicing in 2026, rather than introducing a brand-new platform.
- The rollout is phased: large businesses must comply from 2 March 2026, and all remaining businesses from 1 October 2026.
- myDATA remains the backbone: invoices are validated by AADE, receive a MARK and QR code, and may be sent via accredited providers or AADE tools.
- Greece already has separate rules for B2G e-invoicing and e-transport documents, with further obligations taking effect in 2025–2026.
- EU-wide ViDA rules will later require cross-border structured e-invoicing and digital reporting from 1 July 2030, with Greece needing full alignment by 2035.
Source: rtcsuite.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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