148. (1) Whenever an order is duly made under this Ordinance setting aside or varying any sentence, order or warrant under which any person is confined in a civil, military, naval or air force prison or detained in a military, naval or air force detention barracks a warrant in accordance with such order shall be forwarded by the prescribed officer to the officer-in-charge of the prison or detention barracks in which such person is confined. (2) Any such warrant shall be sufficient authority for the execution of the orders contained therein.