15. The holder of any license under this act shall, upon demand, exhibit it to any officer authorized by the Minister, to the inspectors of industrial establishments and public buildings, to the electrician-inspectors and examining electricians, to any mayor or secretary-treasurer of a municipality, to the fire investigation commissioner; to any coroner, police officer or constable and to any person to whom lightning rods are sold or offered for sale.
R. S. 1964, c. 158, s. 15; 1968, c. 16, s. 38.