8 CAR § 110-504
(a)
(1)
(i) Added to the total cost to the purchaser at retail after all applicable sales taxes on the tires have been computed; and
(b) Each tire retailer engaged in the sale of tires in Benton County shall file a return with the Department of Finance and Administration, and provide a copy of the return to the Benton County Regional Solid Waste Management District, on or before the twentieth of each month, showing the total fees collected for both automobile and truck tires during the preceding calendar month.