Cal. Gov. Code § 9915
Senate Committee on Rules
There is hereby created in the Senate a Committee on Rules, which shall consist of the President pro Tempore of the Senate, who shall be the chairman of the committee, and four other Members of the Senate, two to be elected by the party having the largest number of Members in the Senate and two to be elected by the party having the second largest number of Members. The Senate Committee on Rules has a continuing existence and may meet and act during sessions of the Legislature or any recess thereof and in the interim periods between sessions. The committee shall have all the powers and authority provided in Section 11 of Article IV of the Constitution of California, in this article, and as provided in the rules of the Senate.
Ca. Gov. Code § 9915