Northern Territory Consolidated Acts38. Regulatory offences
(1) An offence against this Act is a regulatory offence.
(2) It is a defence to a prosecution for an offence referred to in subsection (1) if the defendant proves on the balance of probabilities that -
(a) any contravention or failure to comply constituting the offence occurred in an emergency and was necessary to preserve life or prevent injury or to protect property in the defendant's possession;
(b) the defendant did not intend to commit the offence, and that -
(i) in any case where it is alleged that anything required to be done was not done, the defendant took all reasonable steps to ensure that it was done; or
(ii) in any case where it is alleged that anything prohibited was done, that the defendant took all reasonable steps to ensure that it was not done; or
(c) any contravention or failure to comply constituting the offence was authorized by being -
(i) in the exercise of a right granted or recognized by law;
(ii) in execution of the law or in obedience to, or in conformity with, the law;
(iii) in obedience to the order of a competent authority whom the defendant is bound by law to obey unless the order is manifestly unlawful (the determination of which is a matter of law); or
(iv) pursuant to an authority, permission, or licence lawfully granted.
(3) Subsection (2)(b) applies only to an offence prescribed in the Regulations or a fishery management plan to be an offence to which that subsection applies.