AADE is preparing the biggest step against tax evasion: real-time VAT monitoring on every transaction. From 2027, every invoice will be automatically checked the moment it is issued. The end of fake invoices, but also new obligations for all businesses.
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📊 What changes with the new system
Real-Time
Verification at the moment of issuance
100%
Of B2B transactions
€2.5B
Estimated revenue/year
The system is based on mandatory electronic invoicing (e-invoicing) already in effect through myDATA. The next step is automatic cross-referencing with AI and instant notification of discrepancies.
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⚙️ How the system works
1. Invoice issuance
The business issues an invoice through an e-invoicing provider
2. Instant submission to AADE
The invoice is automatically sent to myDATA within seconds
3. Automatic cross-referencing
AI checks the invoice against history, suppliers, and transaction patterns
4. Alert if there is an issue
Instant notification to the business and auditors
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5. Automatic VAT calculation
The VAT return is filled in automatically
🏢 Who is affected
| Category | Start Date | Obligations |
|---|---|---|
| Large businesses (>€10M) | 1/1/2027 | Full e-invoicing, real-time reporting |
| Medium (€1-10M) | 1/7/2027 | Full e-invoicing, real-time reporting |
| Small (<€1M) | 1/1/2028 | Simplified reporting |
| Freelancers | 1/1/2028 | Simplified reporting |
⚖️ Benefits and concerns
✅ Benefits
- Reduced tax evasion: Estimated +€2.5B revenue/year
- Fair competition: End of unfair advantages
- Automation: Less bureaucracy
- Pre-filled returns: Fewer errors
⚠️ Concerns
- Adaptation costs: New software, training
- Technical difficulties: Small businesses without IT
- Privacy: Full transaction transparency
- False positives: Risk of incorrect alerts
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📝 What you need to do now
- Check your software
Talk to your ERP/invoicing provider about compatibility
- Get informed about myDATA
Check if your invoices are already being sent correctly
- Clean up your supplier registry
Correct tax IDs, company names, addresses
- Train your staff
The new procedures require attention
📊 The conclusion
Real-time VAT monitoring is the biggest change in Greece's tax system in decades. For legitimate businesses, it means less unfair competition and simplified procedures. Preparing now is critical.
