Cal. Public Utilities Code § 3110

Any member may bring charges against an officer or director by filing them, in writing, with the secretary of the association, together with a petition which is signed by 5 percent of the members, which requests the removal of the officer or director in question. The removal shall be voted upon at the next regular or special meeting of the association and, by a vote of a majority of the members, the association may remove the officer or director and fill the vacancy. The director or officer against whom charges have been brought shall be informed, in writing, of the charges prior to the meeting and shall have an opportunity at the meeting to be heard in person or by counsel and to present witnesses. The person bringing the charges against the director or officer shall have the same opportunity. If the bylaws provide for election of directors by districts with primary elections in each district, the petition for removal of a director shall be signed by 20 percent of the members that reside in the district from which the director was elected. The board of directors shall call a special meeting of the members that reside in that district to consider the removal of the director and, by a vote of the majority of the members of that district, the director in question shall be removed from office.