61.—(1) A document purporting to be a copy of an order made by a court under any of the provisions of this Order shall, if it purports to be certified as a true copy by the clerk of the court, be evidence of the order.
(2) An order or other document may be authenticated on behalf of the managers of a juvenile justice centre by the signature of one of the managers or their secretary, or of the person for the time being in charge.