Message

A tax category identifier MUST be coded using UN/ECE 5305 BII2 Subset

Context
cac:TaxCategory/cbc:ID
Test
( ( not(contains(normalize-space(.),' ')) and contains( ' AE E S Z AA H ',concat(' ',normalize-space(.),' ') ) ) )
Usage
/ ubl:Order / cac:OrderLine / cac:LineItem / cac:Item / cac:ClassifiedTaxCategory / cbc:ID