(1) This section applies to—
(a) enforcement officers:
(b) persons who assist enforcement officers in accordance with section 68(3):
(c) Police officers who perform any of the functions of an enforcement officer under section 48.
(2) No action may be taken against a person to whom this section applies in relation to the exercise of his or her powers under this Act if he or she exercised those powers—
(a) in good faith; and
(b) in a reasonable manner; and
(c) in the reasonably held belief that the prerequisites for the exercise of the power had been satisfied.