This Act commences on the day after the day on which a House of the Parliament approves regulations made under this Act in the same form as approved by the other House, provided that:
(a) not more than 90 days have elapsed; and
(b) the places of Senators have not become vacant under section 13 of the Constitution; and
(c) a dissolution or expiration of the House of Representatives has not occurred;
between the approval of one House and the approval of the other House.