California Code, Public Utilities Code - PUC § 10004.5

(a) Except as provided for in subdivision (b), any judicial action or proceeding against a municipal corporation that provides electric utility service, to attack, review, set aside, void, or annul an ordinance, resolution, or motion fixing or changing a rate or charge for an electric commodity or an electric service furnished by a municipal corporation and adopted on or after July 1, 2000, shall be commenced within 120 days of the effective date of that ordinance, resolution, or motion.

(b) This section does not apply to any judicial action or proceeding filed pursuant to Chapter 13.7 (commencing with Section 54999) of Part 1 of Division 2 of Title 5 of the Government Code to protest or challenge a rate or charge or to seek the refund of a capital facilities fee if the notice and disclosure requirements of Section 54999.35 of the Government Code have not been followed.