PEPPOL-T110-R027
- Message
- Tax categories MUST match provided tax categories on document level when such exists. 
- Context
- cac:AllowanceCharge/cac:TaxCategory | cac:Item/cac:ClassifiedTaxCategory
- Test
- not(//cac:TaxTotal) or (some $cat in $taxCategories satisfies $cat = cbc:ID)