General powers to call for information as to intoxicating substances
5.—(1)  The Director may require any person who, in the course of conducting a business, sells or supplies or offers to sell or supply any intoxicating substance to produce such documents, to answer such questions and to furnish such information as he may consider necessary for the effective exercise of his powers and performance of his duties under this Act.
(2)  Any such requisition shall be made in writing served on the person to whom it is addressed, and any such service shall be good service if the requisition is left with that person, or is left with any adult at the usual or last known place of residence or business of that person, or is served on that person by post at his usual or last known place of residence or business.
(3)  Every person required to produce any document, answer any question or furnish any information shall produce the document, answer the question or furnish the information within such time as may be stated in the requisition.
(4)  Any person required to produce any document, answer any question or furnish any information under this section who —
(a)fails without lawful excuse to comply with any requisition under this section;
(b)produces any document which is false in any material particular, or has not been given or made by the person by whom it purports to have been given or made, or has been in any way altered or tampered with; or
(c)makes any declaration, statement or representation which is false in a material particular,
shall be guilty of an offence.