(a) Vehicles owned, leased by, or rented by the Commission shall be maintained, assigned and operated in accordance with policies issued by the Executive Director and consistent with the state's vehicle management plan.(b) Each agency vehicle, with the exception of a vehicle assigned to a field employee, will be assigned to the agency motor pool and be available for checkout; and(c) The Commission will assign a vehicle to an individual administrative or executive employee on a regular or everyday basis only if the Executive Director makes a written documented finding that the assignment is critical to the needs and mission of the agency.