(1) The Minister must make a statement in respect of whole-of-government greenhouse gas emissions reductions on or before 1 August 2020.
(2) The Minister must make further statements in respect of whole-of-government greenhouse gas emissions reductions on or before 1 August in every fifth year after 1 August 2020 up to and including 1 August 2045.
(3) A whole-of-government pledge must relate to the period of 5 years starting on 1 January in the year following its preparation.