La. R.S. 6:334

In the event of foreclosure by executory process of a mortgage on either movable or immovable property in favor of a supervised financial organization, the certificate of any officer thereof, under the seal of the supervised financial organization, certifying as to the amount due on the mortgage, the interest rate as applicable, and the maturity thereof by reason of the failure of the mortgagor, his assigns, or successors to comply with the obligations imposed on him by the act of the mortgage is authentic evidence of the facts recited in the certificate.