Procedure in case of imprisonment

(1) The return of the marshal or of the Chief Officer of any prison, to any writ of habeas corpus as to an arrest or detainer under any order of arrest or imprisonment by the Court, or under any judgment or order of detention for or during non-payment of any fine or penalty imposed by the Court, shall be deemed sufficient in law, if there appears in or is attached to the return a certificate by the Registrar setting forth the judgment or order by virtue of which the arrest or detainer was made. 99 (2) The Court shall have power to reduce or remit any fine or penalty imposed by it if the fine or penalty has not been already paid or satisfied.