Commonwealth Consolidated Acts Commonwealth Consolidated ActsNotwithstanding anything contained in this Act, an employee who has a vested or contingent right to a pension (other than a widow's pension under the Defence Forces Retirement Benefits Act 1948 - 1959 or under the Defence Force Retirement and Death Benefits Act 1973 ), superannuation allowance, or gratuity under any other Act (not including the Repatriation Act 1920 - 1957 or the Repatriation (Far East Strategic Reserve) Act 1956 ) or State Act shall not be required or permitted to contribute for units of pension under this Act, except in pursuance of the provisions of this Division, nor shall pension under this Act be payable to or in respect of any such employee except in pursuance of those provisions.