# GR-R-005

Source: https://xmlvalid.com/rules/GR-R-005

> Greek Suppliers must provide the full name of the buyer

- Level: error
- Rule sets: Peppol BIS Billing 3.0 rules 3.0.21
- Context: `cac:AccountingCustomerParty[$isGreekSender]/cac:Party`
- Test: `string-length(./cac:PartyName/cbc:Name)>0`

Validate a document against these rules: https://xmlvalid.com/validate