errorGRubl-2.1
GR-R-003:Greek invoice type code required
myDATA requires specific Greek invoice type classification.
We can fix this automatically
AUTO-FIXAuto-fix: Add EL prefix if missing, normalize Greek VAT format. Safe format standardization.
No manual changes needed
Upload and Fix NowWhy This Error Matters
Invoice will be rejected by Greek validation. Greek VAT format is required for tax identification.
How to Fix It
1
Determine type
Based on transaction nature
2
Add code
1.1 Sales invoice, 1.2 Service invoice, etc.
Technical Details
XPath: Extension for Greek invoice typeCommon Causes
- VAT number missing EL prefix
- Invalid TIN number
- Wrong country prefix used
- TIN check digit incorrect
- Lowercase el used instead of EL
Frequently Asked Questions
myDATA requires specific Greek invoice type classification.
Add Greek invoice type code (1.1, 1.2, 2.1, etc.). Invoice Navigator can help identify and fix this issue.
Yes, GR-R-003 is a critical error that must be fixed.
See Also
Related Errors
Last updated: 16 January 2026
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