California Code, Government Code - GOV § 7926.225

(1) The deliberative processes, discussions, communications, or any other portion of the negotiations with entities contracting or seeking to contract with the board or the department, entities with which the board or the department is considering a contract, or entities with which the board or department is considering or enters into any other arrangement under which the board or the department provides, receives, or arranges services or reimbursement.

(2) The impressions, opinions, recommendations, meeting minutes, research, work product, theories, or strategy of the board or its staff or the department or its staff, or records that provide instructions, advice, or training to their employees.

(b)(1) Except for the portion that contains the rates of payment, a contract entered into pursuant to former Part 6.3 (commencing with Section 12695), former Part 6.5 (commencing with Section 12700), former Part 6.6 (commencing with Section 12739.5), or former Part 6.7 (commencing with Section 12739.70) of Division 2 of the Insurance Code, or Chapter 2 (commencing with Section 15810) or Chapter 4 (commencing with Section 15870) of Part 3.3 of Division 9 of the Welfare and Institutions Code, on or after July 1, 1991, shall be open to inspection one year after its effective date.

(2) If a contract was entered into before July 1, 1991, and amended on or after July 1, 1991, the amendment, except for any portion containing the rates of payment, shall be open to inspection one year after the effective date of the amendment.

(d)(1) Notwithstanding any other law, the entire contract or amendment to a contract shall be open to inspection by the California State Auditor's Office, the Joint Legislative Audit Committee, and the Legislative Analyst's Office.

(2) The California State Auditor's Office, the Joint Legislative Audit Committee, and the Legislative Analyst's Office shall maintain the confidentiality of each contract or amendment until the contract or amendment is open to inspection pursuant to subdivision (c).