BR-CIUS-PT-40
The Buyer contact point (BT-56) or the Buyer contact telephone number (BT-57) or the Buyer contact email address (BT-58) shall be filled.
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.
cac:AccountingCustomerParty
exists(cac:Party/cac:Contact) and (not(cac:Party/cac:Contact/cbc:Name) and not(cac:Party/cac:Contact/cbc:Telephone) and not(cac:Party/cac:Contact/cbc:ElectronicMail))
Checked with Portugal CIUS-PT Invoice (UBL), Portugal CIUS-PT Credit Note (UBL)