# BR-KSA-77

Source: https://xmlvalid.com/rules/BR-KSA-77

> An Invoice line (BG-25) where the Prepayment VAT category code (KSA-33) is "Exempt from VAT" the Prepayment VAT rate (KSA-34) shall be 0 (zero).

- Level: warning
- Rule sets: ZATCA e-invoicing rules (Saudi Arabia) SDK 3.4.6
- Context: `/ubl:Invoice/cac:InvoiceLine/cac:DocumentReference/cbc:DocumentTypeCode`
- Test: `/ubl:Invoice/cac:InvoiceLine/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxCategory /cbc:Percent`

Validate a document against these rules: https://xmlvalid.com/validate