# DK-R-013

> For Danish Suppliers it is mandatory to use schemeID when PartyIdentification/ID is used for AccountingCustomerParty or AccountingSupplierParty

Checked against Peppol BIS Billing 3.0 2026.5

Canonical: https://einvoicecheck.eu/rules/dk-r-013

## Official rule text

For Danish Suppliers it is mandatory to use schemeID when PartyIdentification/ID is used for AccountingCustomerParty or AccountingSupplierParty