Electronic invoicing guide
Greece
Digital reporting requirements
Post-Audit / Real time reporting from July 2025
Reporting for all transactions.
Obligatory
B2G: implementation timeline starts on 12 September 2023 for mandatory B2G e-invoicing for some major government agencies, including having to issue, receive, and process e-invoices.
B2B: voluntary.
B2C: voluntary.
Real time reporting: mandatory.
Authority
Greek Tax Authority (GAVOIK)
Platform
Mydata
Peppol
Format
The National Electronic Invoice Format.
Peppol.
EU Standards format.
Storage time
10 years
Reporting and processes
Reporting of summary documents, classifications, accounting settlement records, for B2G, B2B & B2C through the Mydata portal.
The deadline for sending settlement account records is the same as for the submission of personal income tax returns. Payroll statements, on the other hand, are sent within the deadline for the submission of the wage and salary withholding tax return.
Upcoming legislative changes
- From 1st July 2025 to 31st December 2027, businesses must send e-invoice data in real-time to the Greek tax authority’s myDATA platform.ç
- If Greece wants to continue the real-time e-invoicing mandate beyond 31st December 2027, it must request approval from the European Commission.
Links of Interest and documents
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