exists(cac:TaxCategory[cac:TaxScheme/normalize-space(upper-case(cbc:ID))='VAT']/cbc:Percent) or (cac:TaxCategory[cac:TaxScheme/normalize-space(upper-case(cbc:ID))='VAT']/normalize-space(cbc:ID)='O')
CII
XPath
1
(.[upper-case(ram:TypeCode) = 'VAT']/ram:RateApplicablePercent) or (.[upper-case(ram:TypeCode) = 'VAT']/ram:CategoryCode = 'O')