No owner or operator of any bulk gasoline terminal, nor any person who delivers gasoline directly to a gasoline service station or a bulk gasoline plant, shall dispense, sell, or supply as fuel for motor vehicles any gasoline having a RVP greater than 9.0 pounds per square inch during the period from May 1 through September 15 of any calendar year.
06-096 C.M.R. ch. 119, § 3