What it means
When the seller is Greek, the seller trading name (BT-28) must be filled in. The Greek rules want the full name as registered: for a legal entity the name in the Greek Business Registry (G.E.MH.), and for an individual the name in the Tax Registry. The test checks the party name element, cac:PartyName/cbc:Name, and only that it is not empty. It does not compare the name with the registry.
Why it matters
Without that name the seller details are incomplete under the Greek rules.
How to fix it
Fill the seller trading name (BT-28) with your full registered name. In the UBL file the field is cac:AccountingSupplierParty/cac:Party/cac:PartyName/cbc:Name.
Once the file is corrected, check it again for free: Validate a Peppol BIS invoice
Or fix the invoice in a form and download the corrected file, for 1 credit: Fix a rejected e-invoice
The rule as published
Read the rule on the publisher's site
Where this rule applies
| Rule set | Version |
|---|---|
| Peppol BIS Billing 3.0 (invoice) | 2026.5 |
| Peppol BIS Billing 3.0 (credit note) | 2026.5 |
Check your file
Drop your e-invoice to see whether GR-R-002 still fails, and which other rules do.
Related rules
- GR-R-003 A Greek seller's VAT number must start with EL and be valid
- GR-R-005 A Greek seller must give the buyer's full name
- GR-R-006 A Greek seller must give a Greek buyer's VAT number
- GR-R-009 A Greek seller's electronic address must be its TIN (scheme 9933)
- GR-R-010 A Greek buyer's electronic address must be its TIN (scheme 9933)