GR-S-008-1
PEPPOL BIS Billing 3.0 layer: peppol
Checked against Peppol BIS Billing 3.0 2026.5
When Supplier is Greek, there should be one invoice url
Official rule text
When Supplier is Greek, there should be one invoice url
Check your invoice against this rule
Paste it into the live demo, or call POST /v1/validate. See the quickstart.