(1) Any person who uses for the purposes of any trade or has in his or her possession for use in any trade, any weight or measure or weighing or measuring instrument which has not in the period of 12 months preceding such time, been stamped by an inspector with the prescribed verification mark commits an offence and is liable on summary conviction to a fine of $3,000 or to imprisonment for a term of 6 months or to both such fine and imprisonment.
(2) Any person who contravenes section 20(1) in respect of weighing and measuring equipment for use in the fields specified in section 20(2) commits an offence and is liable on summary conviction to a fine of $3,000 or to imprisonment for a term of 6 months or to both such fine and imprisonment.