PEPPOL-T19-R012
Each item in a Catalogue line SHALL be identifiable by either "item sellers identifier" or "item standard 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:Item
Test
(cac:StandardItemIdentification/cbc:ID) or (cac:SellersItemIdentification/cbc:ID)
Checked with Peppol Catalogue