Approval by the Commission shall not be required for the execution and performance by an Illinois utility of a service agreement with an affiliated natural gas company (as defined in section 2(6) of the federal Natural Gas Act ( 15 USC 717a(6)) , when the service agreement is substantially in the form filed by the natural gas company (as directed by 18 CFR 154.110 (August 3, 2016)) as a part of its Federal Energy Regulatory Commission (FERC) Gas Tariff, and executed or to be executed by non-affiliated customers of the natural gas company and providing for the rendition of service at rates and charges filed with FERC.
Ill. Admin. Code tit. 83, § 310.50