Message

For each tax subcategory the category ID and the applicable tax percentage MUST be provided.

Context
//cac:TaxCategory
Test
(parent::cac:AllowanceCharge) or (cbc:ID and cbc:Percent) or (cbc:ID = 'AE')
Usage
/ ubl:Invoice / cac:AllowanceCharge / cac:TaxCategory / cbc:Percent
/ ubl:Invoice / cac:TaxTotal / cac:TaxSubtotal / cac:TaxCategory / cbc:Percent
/ ubl:Invoice / cac:InvoiceLine / cac:Item / cac:ClassifiedTaxCategory / cbc:Percent