This Act comes into force on a date to be appointed by the Governor-General by Order in Council; and 1 or more orders may be made bringing different provisions into force on different dates.
Section 2: section 1, Part 1, subpart 3 of Part 2, and Part 3 (other than section 50(1)(a) and (c)–(h) and section 51) brought into force, on 1 August 2003, by the Climate Change Response Act Commencement Order 2003 (SR 2003/151).
Section 2: subparts 1 and 2 of Part 2 and sections 50(1)(a) and (c)–(h) and 51 brought into force, on 19 November 2007, by the Climate Change Response Act Commencement Order 2007 (SR 2007/336).