(1) This Part does not, by implication, limit the exercise of the powers, or the rights, of a defence security official, a member of the Defence Force or any other person:
(a) under this Act; or
(b) under any other law (including the common law); or
(c) otherwise in the performance of his or her duties as a defence security official, a member of the Defence Force or otherwise.
(2) Without limiting subsection (1), this Part does not affect any right of an owner or occupier of premises to refuse to allow a person to enter, or remain on, the premises.
(3) Without limiting subsection (1), this Part does not affect any right of a person to defend himself or herself or another person.