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

Accounting Tax Subtotal Amount Currency ID

Context ID INV1079
Cardinality 1..1
Usage M

Description

The currency of the amount.

Value must equal invoice Tax currency code.