[ibr-tdd-75] – The cbc:InvoicedQuantity (BT-129) element MUST have the attribute 'unitCode' (BT-130).
ibr-tdd-75/pxs:TaxData/pxs:ReportedTransaction/pxs:ReportedDocument/pxs:DocumentLinecount(cbc:InvoicedQuantity/@*[not(local-name() = 'unitCode')]) = 0