Message

An item in a catalogue line SHOULD have one and at most one line item VAT category code

Context
//cac:Item
Test
count(cac:ClassifiedTaxCategory/cbc:ID) = 1
Usage
/ ubl:Catalogue / cac:CatalogueLine / cac:Item / cac:ClassifiedTaxCategory / cbc:ID
/ ubl:Catalogue / cac:CatalogueLine / cac:Item / cac:ClassifiedTaxCategory / cac:TaxScheme / cbc:ID