(1)A law enforcement officer may—
(a)be accompanied by other persons, and
(b)take equipment or materials,
to assist the officer in the exercise of powers under this Chapter.
(2)A law enforcement officer may use reasonable force, if necessary, in the performance of functions under this Chapter.
(3)A person accompanying a law enforcement officer under subsection (1) may perform any of the officer's functions under this Chapter, but only under the officer's supervision.
(4)A law enforcement officer must produce evidence of the officer's authority if asked to do so.
(5)The powers conferred by this Chapter do not affect any other powers that a law enforcement officer may have.