# CRP20237

Source: https://xmlvalid.com/rules/CRP20237

> El campo EquivalenciaDR 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:Pago/pago20:DoctoRelacionado`
- Test: `@MonedaDR = ../@MonedaP or @EquivalenciaDR`

In English: A related document in a currency other than the payment's must have EquivalenciaDR: how many units of its currency one unit of the payment's is worth.

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