The VAT category tax amount (BT-117) in a VAT breakdown (BG-23) where VAT category code (BT-118) is "Standard rated" shall equal the VAT category taxable amount (BT-116) multiplied by the VAT category rate (BT-119) / 100), rounded to two decimals.
Why ZATCA invoices fail rule BR-S-09 (WARNING) and how to fix it: The VAT category tax amount (BT-117) in a VAT breakdown (BG-23) where VAT category code (BT-118) is "Standard rated" shall equal the VAT category taxable amount (BT-116) multiplied by the VAT category rate (BT-119) / 100), rounded to two decimals.
What this rule checks
The VAT category tax amount (BT-117) in a VAT breakdown (BG-23) where VAT category code (BT-118) is "Standard rated" shall equal the VAT category taxable amount (BT-116) multiplied by the VAT category rate (BT-119) / 100), rounded to two decimals.
Rule family: Business rules - VAT standard and reduced rate (BR-S).
Standard: EN 16931 (UBL, KSA-tuned). 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.
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