Message

Value MUST be part of code list 'Transaction condition code (OpenPEPPOL)'.

Context
/ubl:Catalogue/cac:CatalogueLine/cac:Item/cac:TransactionConditions/cbc:ActionCode
Test
(some $code in $clTransactionCondition satisfies $code = normalize-space(text()))
Code lists
Transaction condition code (OpenPEPPOL)
Usage
/ ubl:Catalogue / cac:CatalogueLine / cac:Item / cac:TransactionConditions / cbc:ActionCode