# CRP20230

Source: https://xmlvalid.com/rules/CRP20230

> El campo CertPago se debe registrar.

- 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:Pagos/pago20:Pago`
- Test: `not(@TipoCadPago) or @CertPago`

In English: With TipoCadPago, CertPago is required.

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