E-Invoice ValidatorGR-R-001-7
MistakeUBL
Official rules text
0 " flag="fatal">When Supplier is Greek, the Invoice Id sixth segment must not be empty
Rules and regulations
- Peppol BIS Billing 3.0 (UBL) (v3.0.20)
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- Official EN 16931 regulations
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Official rule sets up to date: EN 16931 1.3.17 · Peppol BIS 3.0.20 · XRechnung 3.0.2 (KoSIT 2.6.0). Last checked against the sources on 12.10.2026.