/ubl:Invoice/cac:TaxTotal[cbc:TaxAmount/@currencyID = ../cbc:DocumentCurrencyCode]/cac:TaxSubtotal/cbc:TaxAmount/@currencyID

Invoice Tax Subtotal Amount Currency Code

Portugal | VRBL-Invoice-PT-2p1
Context ID INV1049
Usage M

Description

Syntax required attribute, value must equal invoice document currency.