Proceedings against persons fined by the court

(1) The marshal shall, without further warrant or authority, arrest and detain in custody in a prison any person upon whom a fine has been imposed by the court, or by whom any forfeiture has been incurred, and who is adjudged to pay it by the court, until the fine or forfeiture imposed on or incurred by him is paid and satisfied, together with all costs and expenses in consequence of his arrest and detention. (2) A judge may at any time, order the discharge of the (3) The return of the marshal, or of the keeper of the prison, to any writ of habeas corpus of an arrest or detainer under any judgment or order of the court for non-payment of any fine or forfeiture imposed or incurred as afore-said, shall be deemed sufficient in law, if there appears in or is attached to that return a 101 certificate by the Registrar, setting forth the judgment or order by virtue of which the arrest or detainer was made. (4) The court or a judge shall have power to reduce or remit any fine or forfeiture imposed by the court or incurred by any person in respect of the court, at any time within three months after it has been imposed or incurred, provided it has not been already paid or satisfied.