PEPPOL-T76-R001
An order response SHALL have the buyer party official name or a buyer party identifier
error: the document is invalid
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
Context
cac:BuyerCustomerParty/cac:Party
Test
cac:PartyLegalEntity/cbc:RegistrationName or cac:PartyIdentification/cbc:ID
Checked with Peppol Order Response