Greece
myDATA Live Updated 2025-12-20
Baseline
myDATA (Digital Accounting & Tax Application)
Greece mandates real-time classification and reporting of all income and expense transactions through the myDATA platform operated by AADE.
Key Dates
Oct 2020myDATA launched (voluntary phase)
Nov 2021Mandatory income classification for most businesses
2024-2025Progressive expansion to expense classification and eInvoicing
Who is in scope
All businesses registered with AADE for income classification. eInvoicing expanding progressively.
Process
Business classifies income/expense → transmits classification data to myDATA via API or provider → AADE processes and pre-fills VAT returns.
Official Sources
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