Effective date of prohibition

For the purpose of section 23(1) and 24(b) of the Dangerous Goods Act, as amended by the Dangerous Goods (Act), the appointed day from which it shall be unlawful for any person to use a bob-tail delivery truck to store, carry, deliver or sell liquified petroleum gases for residential or domestic purposes within any city limits of any city, town or village shall be the 15th day of June, 2000.