Error Guide

🇬🇷 GR-R-003: Greek invoice type code required in Greece

ErrorPlannedAuto-fixable

myDATA requires specific Greek invoice type classification.

Quick Facts

Severity

Error (rejection)

Ruleset

CIUS-GR (Greece)

Fix Confidence

80%

Mandate

Planned

Fix Type

Automatic

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.

Invoice Navigator automatically fixes this error. No manual intervention needed.

How to Fix GR-R-003

1
Determine type
Based on transaction nature
2
Add code
1.1 Sales invoice, 1.2 Service invoice, etc.

Example: Before & After

Before (invalid)

<Invoice>
  <!-- Issue: For the Greek Suppliers, the VAT must start with 'EL' and mu -->
</Invoice>

After (fixed)

<Invoice>
  <!-- Issue resolved per CIUS-GR (Greece) -->
</Invoice>

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 (>€1M revenue in 2023)

B2B Phase B

Oct 2026

All remaining businesses

Common Causes

•VAT number missing EL prefix
•Invalid TIN number
•Wrong country prefix used
•TIN check digit incorrect
•Lowercase el used instead of EL

Fix GR-R-003 automatically

Upload your invoice and let Invoice Navigator auto-remediate this error.

Try the Validator Greece Guide →