13.—(1) Where a person is convicted of an offence under this Part, the court by or before which he is convicted may order any article in respect of which the offence was committed to be forfeited and either destroyed or otherwise disposed of in such manner as the court may determine.

(2) An order under this section shall not take effect until the ordinary time for instituting an appeal against the conviction or order concerned has expired or, where such an appeal is instituted, until it or any further appeal is finally decided or abandoned or the ordinary time for instituting any further appeal has expired.