(1) Subject to this section, this Act comes into operation on 1 July 2005.
(2) Section 28 comes into operation on 1 July 2006.
(3) Division 6 of Part 2 and section 172(2) come into operation on the day after the day on which this Act receives the Royal Assent.
(4) Part 4 comes into operation on a day to be proclaimed but if it has not come into operation before 1 January 2006, it comes into operation on that day.