Northern Territory Consolidated Acts11. Confinement
(1) A person in charge of a confined animal must provide the animal with adequate exercise, or a reasonable opportunity for adequate exercise, unless it would be unreasonable in the circumstances for the animal to exercise.
(2) In a proceeding for an offence against subsection (1), evidence that an animal remained confined for a period exceeding 24 hours is evidence that the person accused of the offence failed to provide the animal with adequate exercise during that period.
(3) A person in charge of an animal (other than a stock animal) must not confine the animal in a cage that is too small to allow the animal a reasonable opportunity for adequate exercise.
(4) In a proceeding for an offence against subsection (3), the person accused of the offence is not guilty of the offence if the person satisfies the court that he or she confined the animal -
(a) for a period not exceeding 24 hours; and
(b) in a manner that inflicted no unnecessary suffering on the animal,
for the purpose of -
(c) transporting the animal; or
(d) displaying the animal in a public exhibition or competition.
(5) A person must not confine a bird by means of a ring, chain, string, cord or wire attached to its leg or a restraint around its neck or body.