# CRP20234

Source: https://xmlvalid.com/rules/CRP20234

> El campo SelloPago 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 @SelloPago`

In English: With TipoCadPago, SelloPago is required.

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