(1) This part is not intended to limit or exclude the operation of any other territory law relating to—
(a) the search of persons or premises; or
(b) arrest and related matters; or
(c) the stopping, detaining or searching of conveyances; or
(d) the seizure of things.
(2) To avoid any doubt, it is declared that even though another territory law provides power to do 1 or more of the things referred to in subsection (1), a similar power given by this part may be used despite the existence of the power under the other law.