Ohio Rev. Code Ann. § 125.832
(A) The department of administrative services is granted exclusive authority over the acquisition and management of all motor vehicles used by state agencies. In carrying out this authority, the department shall do both of the following:
(F)
(G)
(1) The department may delegate any or all of its duties regarding fleet management to a state agency, if the state agency demonstrates to the satisfaction of the department both of the following:
(H) The proceeds derived from the disposition of any motor vehicles under this section shall be paid to whichever of the following applies:
(I)
(M) The director shall do both of the following:
(O) The director shall do all of the following in managing the fleet management program:
(3) Establish the minimum number of business miles per year at an amount that results when the annual motor vehicle cost is divided by the amount that is the reimbursement rate per mile minus the amount that is the sum of the fuel cost, the operating cost, and the insurance cost. As used in this division: