E-invoicing in Greece

In force

B2B e-invoicing mandatory from 2026, on top of myDATA reporting.

Timeline

2021	myDATA transaction reporting
2025	B2G e-invoicing mandatory
2026	B2B e-invoicing mandate

Format: EN 16931 / Peppol BIS
Transmission: Peppol + myDATA

Greece combines a Peppol-based invoicing mandate with the separate myDATA reporting obligation — two systems, both mandatory.

Validate a Greece invoice against the profile that applies here — Peppol BIS Billing 3.0 (+ national rules).

Verified 2026-08-22. Deadlines move. Always confirm with the national tax authority before you rely on a date.