Message

Value MUST be part of code list 'ISO 6523 ICD list'.

Context
/ubl:Order/cac:OrderLine/cac:LineItem/cac:Item/cac:StandardItemIdentification/cbc:ID
Test
not(@schemeID) or (some $code in $clICD satisfies $code = @schemeID)
Code lists
ISO 6523 ICD list
Usage
/ ubl:Order / cac:OrderLine / cac:LineItem / cac:Item / cac:StandardItemIdentification / cbc:ID / @schemeID