# CFDI40169

Source: https://xmlvalid.com/rules/CFDI40169

> El valor del campo Descuento es mayor que el campo Importe.

- Level: error
- Rule sets: SAT validations of CFDI 4.0 and Pagos 2.0 Matrices of 25 March 2026 and Pagos 2.0 rev. B
- Context: `cfdi:Conceptos/cfdi:Concepto`
- Test: `not(@Descuento) or mx:dec(@Descuento) le mx:dec(@Importe)`

In English: A line's Descuento must not be more than its Importe.

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