(1) Where any pension becomes payable to or in respect of a State employee referred to in section 102, any payment which the Commonwealth is required, by section 33, to pay to the Fund in respect of that State employee shall be increased by such amount as the Board determines to be necessary by reason of that State employee having made contributions at rates less than the rate specified in the Third Schedule.
(2) This section does not have effect on and after 1 July 1976.