[ibr-co-14]-Invoice total Tax amount (ibt-110) = Σ Tax category tax amount (ibt-117).
ibr-co-14
/ubl:Invoice/cac:TaxTotal | /cn:CreditNote/cac:Taxtotal
(xs:decimal(child::cbc:TaxAmount)= round((sum(cac:TaxSubtotal/xs:decimal(cbc:TaxAmount)) * 10 * 10)) div 100) or not(cac:TaxSubtotal)