(1) Proceedings under this Act may be instituted by (a) a police officer; or(b) the Secretary; or(c) a person authorised by the Secretary.(2) In any proceedings under this Act, the authority of a person to prosecute is presumed in the absence of proof to the contrary.(3) A fisheries officer authorised by the Secretary may appear on behalf of the Secretary or a person authorised under subsection (1) (c) in any proceedings under this Act in a court of petty sessions.