Whenever the county court of any county in this state may deem it expedient to call in the outstanding scrip of the county in order to redeem, cancel, reissue, or classify the scrip under existing laws, or for any other lawful purpose, it shall be the duty of the court to make an order for that purpose, fixing the time for the presentation of the scrip, which shall be at least three (3) months from the date of the order.