# CFDI40168

Source: https://xmlvalid.com/rules/CFDI40168

> El valor del campo Descuento no contiene la misma cantidad de decimales registrados en el campo Importe del concepto.

- 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:places(@Descuento) le mx:places(@Importe)`

In English: A line's Descuento may have no more decimals than its Importe.

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