CRP20106

El campo MetodoPago no se debe registrar en el CFDI.

In English A payment receipt has no MetodoPago.

error: the document is invalid

What the rule checks

As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.

Context
/cfdi:Comprobante[@TipoDeComprobante = 'P' or cfdi:Complemento/pago20:Pagos]
Test
not(@MetodoPago)

Checked with CFDI 4.0