(1) The Premier and the Minister must determine a greenhouse gas emissions reduction target for the State in respect of each of the following periods—
(a) 1 January 2021 to 31 December 2025;
(b) 1 January 2026 to 31 December 2030;
(c) 1 January 2031 to 31 December 2035;
(d) 1 January 2036 to 31 December 2040;
(e) 1 January 2041 to 31 December 2045;
(f) 1 January 2046 to 31 December 2050.
(2) The interim emissions reduction target under subsection (1)(a) and (b) must be determined on or before 31 March 2020.
(3) The interim emissions reduction target under subsection (1)(c) must be determined on or before 31 March 2023.
(4) The interim emissions reduction target under subsection (1)(d) must be determined on or before 31 March 2028.
(5) The interim emissions reduction target under subsection (1)(e) must be determined on or before 31 March 2033.
(6) The interim emissions reduction target under subsection (1)(f) must be determined on or before 31 March 2038.