# CFDI40110

Source: https://xmlvalid.com/rules/CFDI40110

> El valor registrado en el campo Descuento no es menor o igual que el campo Subtotal.

- 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:Comprobante`
- Test: `not(@Descuento) or mx:dec(@Descuento) le mx:dec(@SubTotal)`

In English: Descuento (the discount) must not be more than SubTotal.

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