# BR-KSA-EN16931-08

Source: https://xmlvalid.com/rules/BR-KSA-EN16931-08

> Only one tax total (BG-22) with tax subtotals must be provided.Refer to Calculation of VAT.

- Level: warning
- Rule sets: ZATCA e-invoicing rules (Saudi Arabia) SDK 3.4.6
- Context: `/ubl:Invoice`
- Test: `count(./cac:TaxTotal[cac:TaxSubtotal]) = 1`

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