(1) The Minister may, by notice in the Gazette , declare a species of animal:
(a) that is not indigenous to Australia or, if it is indigenous to Australia, its natural habitat is not in the Territory;
(b) that, since its introduction into Australia or the Territory, has spread from the site of its introduction and established itself within Australia or the Territory; and
(c) whose population or presence in a particular area in the Territory is not able to be easily controlled,
to be a feral animal.
(2) The declaration may be made in relation to the whole or a specified part of the Territory.