(220 ILCS 5/16-119)
    Sec. 16-119. Switching suppliers. An electric utility or an alternative retail electric supplier may establish a term of service, notice period for terminating service and provisions governing early termination through a tariff or contract. A customer may change its supplier subject to tariff or contract terms and conditions. Any notice provisions; or provision for a fee, charge or penalty with early termination of a contract; shall be conspicuously disclosed in any tariff or contract. A customer shall remain responsible for any unpaid charges owed to an electric utility or alternative retail electric supplier at the time it switches to another provider.
(Source: P.A. 90-561, eff. 12-16-97.)