# BR-KSA-F-06-C16

Source: https://xmlvalid.com/rules/BR-KSA-F-06-C16

> Field character limits for VAT exemption reason text field (BT-120) have not been met. The minimum limit is 1 character and the maximum limit is 1000 characters.

- Level: warning
- Rule sets: ZATCA e-invoicing rules (Saudi Arabia) SDK 3.4.6
- Context: `/*/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory[normalize-space(cbc:ID) = 'Z'][cac:TaxScheme/normalize-space(upper-case(cbc:ID))='VAT']`
- Test: `exists(cac:TaxTotal/cac:TaxSubtotal/cbc:TaxAmount/cac:TaxCategory/cbc:TaxExemptionReason) and (string-length(cac:TaxTotal/cac:TaxSubtotal/cbc:TaxAmount/cac:TaxCategory/cbc:TaxExemptionReason) > 1000 or string-length(cac:TaxTotal/cac:TaxSubtotal/cbc:TaxAmount/cac:TaxCategory/cbc:TaxExemptionReason) < 1)`

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