(1) An authorized officer shall, before entering the premises under a warrant issued under section 15(2) —
(a) announce that he or she is authorized to enter the premises;
(b) give a person at the premises an opportunity to allow entry to the premises; and
(c) give a copy of the warrant to the supplier or in the absence of such a person on the premises to a person who appears to be employed by the supplier.
(2) A person who interferes with an authorized officer in the execution of a warrant under this section commits an offence and is liable on summary conviction to a fine not exceeding $3,000 or imprisonment for a term not exceeding one year.
(3) Any information or document furnished or produced by a person, and any information or document obtained by an authorized officer under this section, may only be used by an authorized officer or a person assisting an authorized officer in proceedings against the supplier for contravention of this Act.