In addition to the requirements of Section 11125 of the Government Code, the commission shall include in its notice of meetings the agenda of business to be transacted, and no item of business shall be added to the agenda subsequent to the notice in the absence of an unforeseen emergency situation. A rate increase shall not constitute an unforeseen emergency situation. As used in this subdivision, "meeting" shall include all investigations, proceedings, and showings required by law to be open and public.
Ca. Pub. Util. Code § 306