§ 392-i. Prices reduced to reflect change in sales tax computation. Every person engaged in the retail sale of motor fuel and/or diesel motor fuel or a distributor of such fuels, as defined in Article 12-A of the tax law, shall reduce the price such person charges for motor fuel and/or diesel motor fuel in an amount equal to any reduction in taxes prepaid by the distributor or paid by retail customers resulting from computing sales and compensating use taxes at a cents per gallon rate pursuant to the provisions of paragraph two of subdivision (e) and subdivision (m) of § 1111 of the tax law.