(1) A concession agreement may include any other provisions that the parties consider appropriate and, without limiting this, the minister or the corporation may, in a concession agreement,
(a) authorize or require the concessionaire to establish or use a billing organization to do one or both of invoice and collect tolls that are charged as a result of the detection of toll devices or the reading of number plates on the concession highway,
(b) authorize or require the concessionaire to accept payment of a toll by an occupant of a vehicle at the time of the vehicle's use of the concession highway, or
(c) authorize or require the concessionaire to exempt from tolls specified persons or vehicles or classes of persons or vehicles.
(2) A concession agreement entered into by the minister with the corporation under section 2 (1.1) may include any provisions that the parties consider appropriate and, without limiting this, any provisions set out in section 3.