Every county shall establish, by resolution, an "equipment rental and revolving fund", hereinafter referred to as "the fund", in the county treasury to be used as a revolving fund for the purchase, maintenance, and repair of county road department equipment; for the purchase of equipment, materials, supplies, and services required in the administration and operation of the fund; and for the purchase or manufacture of materials and supplies needed by the county road department.
RCW 36.33A.010