# BR-KSA-17

Source: https://xmlvalid.com/rules/BR-KSA-17

> Debit and credit note (invoice type code (BT-3) is equal to 383 or 381) must contain the reason (KSA-10) for this invoice type issuing.

- Level: error
- Rule sets: ZATCA e-invoicing rules (Saudi Arabia) SDK 3.4.6
- Context: `/ubl:Invoice[cbc:InvoiceTypeCode = '381'] | /ubl:Invoice[cbc:InvoiceTypeCode = '383']`
- Test: `exists(//cac:PaymentMeans/cbc:InstructionNote)`

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