The purposes of this Act are to—
(a) refer certain matters relating to water management to the Commonwealth Parliament for the purposes of section 51(xxxvii) of the Constitution of the Commonwealth; and
(b) amend the Murray-Darling Basin Act 1993 to provide for the carrying out of an agreement between the Commonwealth, New South Wales, Victoria, Queensland, South Australia and the Australian Capital Territory with regard to the water resources of the Murray-Darling Basin, to repeal all provision in that Act as to any former agreement revoked by that agreement; and
(c) make consequential amendments to the Snowy Hydro Corporatisation Act 1997 and the Water Act 1989 ; and
(d) to repeal the Murray-Darling Basin Amendment Act 2007 .