[aligned-ibrp-g-07-aunz]-In a Document level charge (ibg-21) where the Document level charge tax category code (ibt-102) is "Export" the Document level charge tax rate (ibt-103) MUST be 0 (zero).
aligned-ibrp-g-07-aunz
cac:AllowanceCharge[cbc:ChargeIndicator=true()]/cac:TaxCategory[normalize-space(cbc:ID)='G'][cac:TaxScheme/normalize-space(upper-case(cbc:ID))='GST']
(xs:decimal(cbc:Percent) = 0)