Message

Value MUST be part of code list 'Payment means code (UNCL4461)'.

Context
/ubl:Invoice/cac:PaymentMeans/cbc:PaymentMeansCode
Test
(some $code in $clUNCL4461 satisfies $code = normalize-space(text()))
Code lists
Payment means code (UNCL4461)
Usage
/ ubl:Invoice / cac:PaymentMeans / cbc:PaymentMeansCode