# GR-R-009

> Greek suppliers that send an invoice through the PEPPOL network must use a correct TIN number as an electronic address according to PEPPOL Electronic Address Identifier scheme (schemeID 9933).

Checked against Peppol BIS Billing 3.0 2026.5

Canonical: https://einvoicecheck.eu/rules/gr-r-009

## Official rule text

Greek suppliers that send an invoice through the PEPPOL network must use a correct TIN number as an electronic address according to PEPPOL Electronic Address Identifier scheme (schemeID 9933).