(1) If an authorized officer has reason to suspect that a vehicle within the HKSAR has been, is being or is about to be used in contravention of section 4(1), he may-
(a) either alone or accompanied and assisted by any person acting under his authority, board the vehicle and search it and, for that purpose, use or authorize the use of reasonable force;
(b) request the operator or driver of the vehicle to provide such information relating to the vehicle and any article carried on it, and produce for his inspection such documents so relating and such articles carried on it, as he may specify; and
(c) (either there and then or on consideration of any information provided or document or article produced in response to a request made under paragraph (b)) further request the operator or driver to take the vehicle and any article carried on it to such place as is specified by an authorized officer, and to cause the vehicle and the article to remain in that place until the operator or driver is notified by an authorized officer that the vehicle and the article may depart.
(2) A power conferred by this section to request the provision of any information or the production of any document or article for inspection includes a power to-
(a) specify whether the information should be provided orally or in writing and in what form; and
(b) specify the time by which and the place in which the information should be provided or the document or article should be produced for inspection.