# BR-31-SG

Source: https://xmlvalid.com/rules/BR-31-SG

> Each Document level allowance (IBG-20) shall have a Document level allowance amount (IBT-92).

- Level: error
- Rule sets: PINT SG rules (Singapore) 1.4.1
- Context: `/ubl:Invoice/cac:AllowanceCharge[cbc:ChargeIndicator = false()] | /cn:CreditNote/cac:AllowanceCharge[cbc:ChargeIndicator = false()]`
- Test: `exists(cbc:Amount)`

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