errorGRubl-2.1
GR-R-001:Greek AFM (VAT number) required
Greek invoices must include 9-digit AFM.
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Upload and Answer QuestionsWhy This Error Matters
AFM required for Greek tax compliance.
How to Fix It
1
Get AFM
9-digit Greek tax number
2
Add to invoice
EL prefix + AFM
Technical Details
XPath: //cac:PartyTaxScheme/cbc:CompanyIDCommon Causes
- Missing AFM
- Wrong format
- Using GR instead of EL
Frequently Asked Questions
Greek invoices must include 9-digit AFM.
Add EL + 9 digit AFM. Invoice Navigator can help identify and fix this issue.
Yes, GR-R-001 is a critical error that must be fixed.
See Also
Related Errors
Last updated: 19 January 2026
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