California Code, Government Code - GOV § 22970.30

(a) Except as provided in this part, the plan shall be administered by the board in conformity with its powers and duties for administration of the system as set forth in Part 3 (commencing with Section 20000).  The board shall, to the extent that it determines feasible, follow the procedures set forth in Article 7 (commencing with Section 20220) of Chapter 2 of Part 3.

(b) The board may retain a third-party administrator to perform investment management, recordkeeping, customer service, or other plan administration services and the expenses associated with such retention shall be paid from the fund.