(1) A special perpetual mining purposes lease issued under the agreement Act on or after 1 January 1995 and in existence immediately before the commencement of this section, becomes, on the commencement of this section, a perpetual lease under this Act.
(2) A special perpetual mining purposes lease issued under the agreement Act on or after the commencement of this section becomes a perpetual lease under this Act immediately after it is issued.
(3) Subsections (1) and (2) have effect despite anything in the agreement Act.
(4) In this section—
"agreement Act" means the Commonwealth Aluminium Corporation Pty. Limited Agreement Act 1957 .