‘Sec. 1. 29-A MRSA §1919, sub-§1, as enacted by PL 2003, c. 452, Pt. Q, §24 and affected by Pt. X, §2, is amended to read:
1. Prohibited May 1st to October 1st. Except as provided in subsections 2 and 3, from the first day of May to the first day of October, a person may not operate a vehicle with tires having metal studs, wires, spikes or other metal protruding from the tire tread. Pneumatic tires that feature embedded blocks, studs, flanges, cleats, spikes or other protuberances that are retractable may be used any time of the year, except that the protuberances may not be engaged or extended from the first day of May to the first day of October.’