Message

[BR-52]-Each Additional supporting document (BG-24) shall contain a Supporting document reference (BT-122).   

Context
cac:AdditionalDocumentReference
Test
(cbc:ID) != ''
Usage
/ ubl:Invoice / cac:AdditionalDocumentReference / cbc:ID
/ ubl:CreditNote / cac:AdditionalDocumentReference / cbc:ID