aligned-ibrp-o-01-aunz
An Invoice that contains an Invoice line (ibg-25), a Document level allowance (ibg-20) or a Document level charge (ibg-21) where the tax category code (ibt-151, ibt-095 or ibt-102) is "Not subject to tax" MUST contain exactly one tax breakdown group (ibg-23) with the tax category code (ibt-118) equal to "Not subject to tax".
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
/ubl:Invoice | /cn:CreditNote
((exists(//cac:TaxCategory[cac:TaxScheme/normalize-space(upper-case(cbc:ID))='GST']/cbc:ID[normalize-space(.) = 'O']) or exists(//cac:ClassifiedTaxCategory[cac:TaxScheme/normalize-space(upper-case(cbc:ID))='GST']/cbc:ID[normalize-space(.) = 'O'])) and (count(cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory[cac:TaxScheme/normalize-space(upper-case(cbc:ID))='GST']/cbc:ID[normalize-space(.) = 'O']) = 1)) or (not(//cac:TaxCategory[cac:TaxScheme/normalize-space(upper-case(cbc:ID))='GST']/cbc:ID[normalize-space(.) = 'O']) and not(//cac:ClassifiedTaxCategory[cac:TaxScheme/normalize-space(upper-case(cbc:ID))='GST']/cbc:ID[normalize-space(.) = 'O']))
Checked with PINT A-NZ Invoice, PINT A-NZ Credit Note