VRBL-INV-AU-1p0-16

Basic Info

Rule	In every Charge Group where the Charge Tax ID is "E", the Charge Tax Percent must be zero.
Context	`/ubl:Invoice/cac:AllowanceCharge[string(cbc:ChargeIndicator) = 'true']`
Pattern	vrbl-invoice-au-1p0
Severity	fatal

Implementation

not(boolean(cac:TaxCategory[cbc:ID='E'][cac:TaxScheme/cbc:ID='GST']))
or
number(cac:TaxCategory[cbc:ID='E'][cac:TaxScheme/cbc:ID='GST']/cbc:Percent) = 0