Cal. Government Code § 7929.425

(a) Except as provided in Sections 7924.510, 7924.700, and 7929.610, this division does not require disclosure of internal audits of the State Compensation Insurance Fund containing proprietary information, or the following records of the State Compensation Insurance Fund that are related to an internal audit: (1) Personal papers and correspondence of any person providing assistance to the fund when that person has requested in writing that the person’s papers and correspondence be kept private and confidential. Those papers and correspondence shall become public records if the written request is withdrawn, or upon order of the fund. (2) Papers, correspondence, memoranda, or any substantive information pertaining to any audit not completed or an internal audit that contains proprietary information. (b) Notwithstanding subdivision (a), the portions of records containing proprietary information, or any information specified in subdivision (a), shall be available for review by the Joint Legislative Audit Committee, California State Auditor’s Office, Division of Workers’ Compensation, and the Department of Insurance to ensure compliance with applicable law.