California Code, Education Code - EDC § 22217

(a) The board shall employ a certified public accountant or public accountant, who is not in public employment, to audit the financial statements of the system. The costs of the audit shall be paid from the income of the retirement fund. The audit shall be made annually and the audit report shall be incorporated into the annual report filed with the Governor and the Legislature pursuant to Section 22324.

(b) These audits shall not be duplicated by the Department of Finance or the State Auditor. The system shall be exempt from a pro rata general administrative charge for auditing.