[BR-53]-If the VAT accounting currency code (BT-6) is present, then the Invoice total VAT amount in accounting currency (BT-111) shall be provided.
BR-53pxs-taxdata:TaxData/pxs-taxdata:ReportedTransaction/pxs-taxdata:ReportedDocumentevery $taxcurrency in cbc:TaxCurrencyCode satisfies exists(//cac:TaxTotal/cbc:TaxAmount[@currencyID=$taxcurrency])