GR-R-001
Error Guide
š¬š· GR-R-001: Greek AFM (VAT number) required in Greece
ErrorPlannedNeeds Input
Greek invoices must include 9-digit AFM.
Quick Facts
Severity
Error (rejection)
Ruleset
ubl-2.1
Mandate
Planned
Fix Type
Needs input
Why This Matters in Greece
Greece is planning e-invoicing using myDATA XML, EN 16931, Peppol BIS 3.0 (for B2G delivery). Invoices with this error will be rejected. They cannot be processed for Greece compliance.
How to Fix GR-R-001
- 1Get AFM9-digit Greek tax number
- 2Add to invoiceEL prefix + AFM
Greece E-Invoicing Requirements
Phase
Status
Scope
myDATA reporting
Live (Jul 2021)
All businesses (mandatory)
B2G
Live (Sep 2025)
All public contracts
B2B Phase A
Live (Feb 2026)
Large businesses (>ā¬1M revenue in 2023)
B2B Phase B
Oct 2026
All remaining businesses
Common Causes
- ā¢Missing AFM
- ā¢Wrong format
- ā¢Using GR instead of EL
Fix GR-R-001 automatically
Upload your invoice and let Invoice Navigator auto-remediate this error.