(1) The following come into force on 1 April 2009:
(a) sections 5 and 28 (which repeal Part 4A of the principal Act relating to electricity lines businesses); and
(b) subpart 9 of Part 4 of the principal Act (which relates to electricity lines businesses, as substituted by section 4 of this Act), except sections 54C(3) and 54M to 54P.
(2) The rest of this Act comes into force on the day after the date on which it receives the Royal assent.