(1) A person shall not

(a) sell, offer or expose for sale, or have in possession for sale, or

(b) deposit with or consign to a person for the purpose of sale, food intended for but unfit for human or animal consumption.

(2) Where an offence is committed by a person under subsection (1) (a), that person as well as a person instructed by that person commit an offence and are liable on summary conviction to a fine of not more than one thousand penalty units or to a term of imprisonment of not more than four years or to both.