Ins. Code, § 10181.7

(a) Notwithstanding Division 10 (commencing with Section 7920.000) of Title 1 of the Government Code, all information submitted under this article shall be made publicly available by the department except as provided in subdivision (b).

(b) (1) The contracted rates between a health insurer and a provider shall be deemed confidential information that shall not be made public by the department and are exempt from disclosure under the California Public Records Act (Division 10 (commencing with Section 7920.000) of Title 1 of the Government Code). The contracted rates between a health insurer and a provider shall not be disclosed by a health insurer to a large group purchaser that receives information pursuant to Section 10181.10.

(2) The contracted rates between a health insurer, including those submitted to the department pursuant to Section 10181.31, and a large group shall be deemed confidential information that shall not be made public by the department and are exempt from disclosure under the California Public Records Act (Division 10 (commencing with Section 7920.000) of Title 1 of the Government Code). Information provided to a large group purchaser pursuant to Section 10181.10 shall be deemed confidential information that shall not be made public by the department and shall be exempt from disclosure under the California Public Records Act (Division 10 (commencing with Section 7920.000) of Title 1 of the Government Code).

(c) All information submitted to the department under this article shall be submitted electronically in order to facilitate review by the department and the public.

(d) In addition, the department and the health insurer shall, at a minimum, make the following information readily available to the public on their internet websites in plain language and in a manner and format specified by the department, except as provided in subdivision (b). For individual and small group health insurance policies, the information shall be made public for 120 days prior to the implementation of the rate increase. For large group health care insurance policies, the information shall be made public for 60 days prior to the implementation of the rate increase. The information shall include:

(1) Justifications for any unreasonable rate increases, including all information and supporting documentation as to why the rate increase is justified.

(2) An insurer’s overall annual medical trend factor assumptions in each rate filing for all benefits.

(3) An insurer’s actual costs, by aggregate benefit category to include, hospital inpatient, hospital outpatient, physician services, prescription drugs and other ancillary services, laboratory, and radiology.

(4) The amount of the projected trend attributable to the use of services, price inflation, or fees and risk for annual policy trends by aggregate benefit category, such as hospital inpatient, hospital outpatient, physician services, prescription drugs and other ancillary services, laboratory, and radiology.