(1) An officer is required, in relation to the exercise of a power conferred on the officer by this Part, to provide the person who is subject to the exercise of the power with the following--(a) evidence that the officer is an officer,(b) the name of the officer,(c) the reason for the exercise of the power,(d) a warning that failure or refusal to comply with a request of the officer, in the exercise of the power, may be an offence.
(2) An officer is to take the action required by subsection (1) before or at the time of exercising the power concerned or, if to take the action at that time is not reasonably practicable, as soon as is reasonably practicable after exercising the power.
(3) If 2 or more officers are exercising a power to enter land, only one officer present is required to comply with this section.
(4) However, if a person asks another officer present for information as to the name of the officer, the officer must give to the person the information requested.