Section 35 of the Defence Act 1903–1949 provides that, except as provided by Parts IV and XII of the Act, the Defence Force shall be raised and kept up by voluntary enlistment only.
Part XII of the Act contains the compulsory training provisions and has been inoperative since the Governor-General’s Order (Gazette 16.1.1930) that all units of the Active Citizen Military Forces become Militia Forces, to be kept up by voluntary enlistment only.