(1) A person at a sporting event must not throw or propel an object that may--
(a) injure a person; or
(b) damage property; or
(c) disrupt the event.
Maximum penalty--10 penalty units or 6 months imprisonment.
(2) Subsection (1) does not apply to a person actually participating in a sporting event who throws or propels an object the person ordinarily throws or propels as part of the sporting event.
(3) Also, subsection (1) does not apply to a person who is a spectator at a sporting event who returns an object ordinarily used in the sporting event to a person actually participating in the sporting event in a way not intended to contravene subsection (1).
Example for subsection (3)--
Returning to a cricket player a cricket ball that has been hit over the fence in a cricket match.