Justices Act 1886

If the person so informed against is at the time of such application and production of the certificate to the justice confined in any corrective services facility for any other offence than that charged in the information, the justice, upon proof upon oath that the person so informed against and the person so confined are one and the same, shall issue the justice’s warrant directed to the chief executive (corrective services) to detain the person in the custody of the chief executive (corrective services) until the person is lawfully removed therefrom for the purpose of being tried upon the information, or until the person is otherwise removed or discharged out of the custody of the chief executive (corrective services) by due course of law.