Cal. Gov. Code § 22150
Unless otherwise provided in this article, the board shall authorize a division of a retirement system upon the request of any public agency having employees in positions covered by the system or upon authorization of the Legislature. An election among members of the system shall not be required. A retirement system as defined in subdivisions (d) and (f) of Section 22009.1 shall be divided pursuant to this article only if the division is otherwise authorized by the Legislature. The board shall designate the person to conduct the division, as defined in subdivision (m) of Section 22009.1, of a retirement system.
For purposes of this section and all coverage procedures under this part subsequent to division of the retirement system defined in subdivision (g) of Section 22009.1 the University of California shall be deemed to be a public agency.
Ca. Gov. Code § 22150