National Parks and Wildlife Act 1974 No 80
Current version for 26 October 2018 to date (accessed 9 August 2020 at 19:22)
Part 12 Division 1 Section 150A
150A   Definitions
In this Part:
existing building or structure means:
(a)  in relation to land reserved under this Act before the commencement of this section, a building or structure in existence on the land at that commencement, or
(b)  in relation to land that becomes reserved under this Act on or after the commencement of this section, a building or structure in existence on the land at the time of that reservation.
reserve means a national park, historic site, state conservation area, regional park, nature reserve, karst conservation reserve or Aboriginal area (and includes any such land reserved under Part 4A).