W-LIB219
The attribute Name@languageID should be used when more than one PartyName class is present
warning: reported, still valid
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
count(../cac:PartyName) > 1 and not(./cbc:Name/@languageID)
Checked with Denmark OIOUBL 2.1 Invoice