29. The parents, tutors or guardians of any boy or girl, employed in an industrial or commercial establishment in contravention of this act, shall be guilty of an offence against this act, unless such contravention be without their consent, and without connivance or negligence on their part, and shall, on summary conviction thereof, be liable to a fine of not more than fifty dollars and costs.
R. S. 1964, c. 150, s. 31; 1968, c. 46, s. 12.