exempt game" means any of the following:
(a) a game that is authorised under another territory law;
(b) an exempt private game;
(c) a game conducted in accordance with an approval under part 3;
(d) an exempt two-up game;
(e) a game declared by the commission under subsection (2).
(2) The commission may declare a game to be an exempt game.
(3) A declaration is a disallowable instrument.