This Act (other than Part VIIIB) relies on the Commonwealth's legislative powers under paragraph 51(xxix) (external affairs) of the Constitution as it relates to giving effect to Australia's obligations under relevant international agreements, in particular:
(a) the Vienna Convention; and
(b) the Montreal Protocol; and
(c) the Framework Convention on Climate Change; and
(d) the Kyoto Protocol; and
(e) the Paris Agreement.
Note: Part VIIIB is about information sharing. That Part relies on a range of legislative powers of the Commonwealth.