(1) If, in the opinion of the Director it is appropriate:
(a) on account of the classification of wildlife under section 29, the principles of management specified in section 31, a management program, the declaration of an area of essential habitat, an agreement under section 73 or 74 or a change in the circumstances in relation to the survival, conservation or protection of wildlife or the environment generally; or
(b) for the purposes of the welfare of an animal or the safety and welfare of the public,
the Director may:
(c) on his or her own initiative; or
(d) on the application of the holder of a permit to the Director,
by notice in writing served on the holder of the permit, vary a term or condition of the permit.
(2) An application under subsection (1)(d) is to be in a form approved by the Director.
(3) A permit may be varied by the addition, substitution or deletion of a term or condition.
(4) A variation of a permit takes effect on:
(a) the date the notice of the variation is served on the holder of the permit; or
(b) the date specified for that purpose in the notice,
whichever occurs last.