# ibr-015

Source: https://xmlvalid.com/rules/ibr-015

> An Invoice MUST have the Amount due for payment (ibt-115).

- Level: error
- Rule sets: PINT Billing rules 1.1.3, PINT Billing rules (as shipped with PINT AE) 1.0.4
- Context: `cac:LegalMonetaryTotal`
- Test: `exists(cbc:PayableAmount)`

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