[aligned-ibrp-ttx-08] – Tourism Tax (TTX/AAL) MUST NOT include a tax percentage.
aligned-ibrp-ttx-08/*/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory[normalize-space(cbc:ID)='TTX'][cac:TaxScheme/normalize-space(upper-case(cbc:ID))='AAL']not(cbc:Percent)