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

Invoice Tax Amount Currency Code

Context ID INV1035
Cardinality 1..1
Usage M
Format Code (3)
Mandate Business Term Code BT-110-1
Final Format Path /Invoice/cac:TaxTotal/cbc:TaxAmount/@currencyID

Description

Syntax required attribute, value must equal invoice document currency (IBT-005).