Message

Value MUST be part of code list 'Order type code (UNCL1001 subset)'.

Context
/ubl:Order/cbc:OrderTypeCode
Test
(some $code in $clUNCL1001_T01 satisfies $code = normalize-space(text()))
Code lists
Order type code (UNCL1001 subset)
Usage
/ ubl:Order / cbc:OrderTypeCode