(1)  Except as provided in this section, this Act commences on the day on which this Act receives the Royal Assent.

(2)  Parts 3 and 7 commence on 1 January 2007, but if this Act does not receive Royal Assent on or before that day those Parts are taken to have commenced on 1 January 2007.

(3)  Parts 4 and 5 commence on 1 July 2007.