625 ILCS 5/3-400
Notwithstanding the definitions set forth in Chapter 1 of this Act, for the purposes of this Article, the following words shall have the meaning ascribed to them as follows:
"Apportionable Fee" means any periodic recurring fee required for licensing or registering vehicles, such as, but not limited to, registration fees, license or weight fees.
"Apportionable Vehicle" means any vehicle, except recreational vehicles, vehicles displaying restricted plates, city pickup and delivery vehicles, buses used in transportation of chartered parties, and government owned vehicles that are used or intended for use in 2 or more member jurisdictions that allocate or proportionally register vehicles, in a fleet which is used for the transportation of persons for hire or the transportation of property and which has a gross vehicle weight in excess of 26,000 pounds; or has three or more axles regardless of weight; or is used in combination when the weight of such combination exceeds 26,000 pounds gross vehicle weight. Vehicles, or combinations having a gross vehicle weight of 26,000 pounds or less and two-axle vehicles may be proportionally registered at the option of such owner.
"Base Jurisdiction" means, for purposes of fleet registration, the jurisdiction where the registrant has an established place of business, where operational records of the fleet are maintained and where mileage is accrued by the fleet. In case a registrant operates more than one fleet, and maintains records for each fleet in different places, the "base jurisdiction" for a fleet shall be the jurisdiction where an established place of business is maintained, where records of the operation of that fleet are maintained and where mileage is accrued by that fleet.
"Operational Records" means documents supporting miles traveled in each jurisdiction and total miles traveled, such as fuel reports, trip leases, and logs.
"Owner" means a person who holds legal title of a motor vehicle, or in the event a motor vehicle is the subject of an agreement for the conditional sale or lease thereof with the right of purchase upon performance of the conditions stated in the agreement and with an immediate right of possession vested in the conditional vendee or lessee with right of purchase, or in the event a mortgagor of such motor vehicle is entitled to possession, or in the event a lessee of such motor vehicle is entitled to possession or control, then such conditional vendee or lessee with right of purchase or mortgagor or lessee is considered to be the owner for the purpose of this Act.
"Registration plate or digital registration plate cover" means any tinted, colored, painted, marked, clear, or illuminated object that is designed to (i) cover any of the characters of a motor vehicle's registration plate or digital registration plate; or (ii) distort a recorded image of any of the characters of a motor vehicle's registration plate or digital registration plate recorded by an automated enforcement system as defined in Section 11-208.6, 11-208.8, or 11-1201.1 of this Code or recorded by an automated traffic control system as defined in Section 15 of the Automated Traffic Control Systems in Highway Construction or Maintenance Zones Act.
"Rental Owner" means an owner principally engaged, with respect to one or more rental fleets, in renting to others or offering for rental the vehicles of such fleets, without drivers.
"Restricted Plates" shall include, but is not limited to, dealer, manufacturer, transporter, farm, repossessor, and permanently mounted type plates. Vehicles displaying any of these type plates from a foreign jurisdiction that is a member of the International Registration Plan shall be granted reciprocity but shall be subject to the same limitations as similar plated Illinois registered vehicles.
625 ILCS 5/3-400