Message

Value MUST be part of code list 'Catalogue Action code, header level (openPEPPOL)'.

Context
/ubl:Catalogue/cbc:ActionCode
Test
(some $code in $clActionCode_header satisfies $code = normalize-space(text()))
Code lists
Catalogue Action code, header level (openPEPPOL)
Usage
/ ubl:Catalogue / cbc:ActionCode