Ill. Admin. Code tit. 92, § 1010.735 – Interline Movements

a) "Interline movements" are joint movements by two or more carriers when the initiating carrier does not have the requisite through "for-hire" authority, and his vehicle and driver are turned over to another carrier with the additional authority necessary, all pursuant to the federal or state "for-hire" laws and regulations.
b) "Commercial vehicles" operated by any person for the transportation of persons or property, may be utilized in interline "for-hire" movements by two or more carriers within Illinois as follows:
1. 1) An "Interstate" Movement may be made with a vehicle:
  1. A) Properly registered in Illinois; or
  2. B) Properly registered in another State if it is displaying and Illinois One-Trip Permit; or
  3. C) Part of a fleet apportioned with Illinois and displaying the Illinois Prorate Decal.
2. 2) "Intrastate" Movements must be made with vehicles properly registered in Illinois.