An Invoice line (BG-25) where the Prepayment VAT category code (KSA-33) is "Zero-rated" the Prepayment VAT exception reason code (KSA-41) should be provided.
Why ZATCA invoices fail rule BR-KSA-93 (WARNING) and how to fix it: An Invoice line (BG-25) where the Prepayment VAT category code (KSA-33) is "Zero-rated" the Prepayment VAT exception reason code (KSA-41) should be provided.
What this rule checks
An Invoice line (BG-25) where the Prepayment VAT category code (KSA-33) is "Zero-rated" the Prepayment VAT exception reason code (KSA-41) should be provided.
Rule family: Business rules - VAT zero rate (BR-KSA).
Standard: BR-KSA (ZATCA). Severity: WARNING.
Why your invoice is flagged
ZATCA runs the official EN 16931 + BR-KSA business rules before clearance/reporting. This rule is a warning — the invoice may still be accepted, but resolve it before you submit.
How to fix it
Correct the invoice element referenced in the rule (the BT-/BG- term above) in your ERP mapping so it satisfies the constraint, then re-validate. The fault is usually in how your software generates the field, not in the rule itself.
Verify before you send
Upload your ZATCA UBL invoice to the validator to confirm this rule — and every other EN 16931 / BR-KSA rule — passes. Validation runs the official ZATCA SDK schematron.
Implementing ZATCA in your software?
Check your generated documents against the maintained official rules across your dev lifecycle — while implementing, before releases, and when the rules change. Tell us what you'd use.
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