(1) If a national inspector has reasonable grounds for suspecting that there may be on any premises particular evidential material, the inspector may:
(a) with the consent of the occupier of the premises; or
(b) under a warrant issued under section 31 or 37;
enter the premises and:
(c) search the premises for the evidential material; and
(d) if the inspector finds any evidential material on the premises--seize the evidential material found on the premises.
(2) A national inspector is not entitled to exercise any powers in the circumstances mentioned in paragraph ( 1)(a) in relation to premises if:
(a) the occupier of the premises has required the inspector to show his or her identity card; and
(b) the inspector fails to comply with the requirement.