F-LIB236
Use either ChannelCode or Channel
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.
OIOUBL 2.1 Invoice rules (Denmark) 1.17.2
OIOUBL 2.1 Credit Note rules (Denmark) 1.17.2
OIOUBL 2.1 Reminder rules (Denmark) 1.17.2
Test
cac:OtherCommunication/cbc:ChannelCode and cac:OtherCommunication/cbc:Channel
Checked with Denmark OIOUBL 2.1 Invoice