[ibr-tdd-32] Exactly 1 /cac:TaxTotal element with an amount using Tax Currency MUST be present
ibr-tdd-32
/pxs:TaxData/pxs:ReportedTransaction/pxs:ReportedDocument
not($has_tcc) or count(cac:TaxTotal[cbc:TaxAmount/@currencyID = $tcc]) = 1