# CRP20252

Source: https://xmlvalid.com/rules/CRP20252

> El valor registrado en el campo TipoFactorDR que corresponde a Retención debe ser distinto de Exento.

- 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: `pago20:ImpuestosDR/pago20:RetencionesDR/pago20:RetencionDR`
- Test: `not(@TipoFactorDR = 'Exento')`

In English: A related document's withholding cannot be exempt.

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