BR-KSA-11
An Invoice line (BG-25) where the VAT category code (BT-151) is "Not subject to VAT", an invoiced item VAT rate (BT-152) shall be 0 (zero), if exist.
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.
cac:AllowanceCharge/cbc:MultiplierFactorNumeric | cac:InvoiceLine/cac:AllowanceCharge/cbc:MultiplierFactorNumeric
not(cbc:Percent)
Checked with Saudi Arabia ZATCA Tax Invoice (UBL), Saudi Arabia ZATCA Simplified Tax Invoice (UBL)