California Code, Welfare and Institutions Code - WIC § 14308

(a) Each prepaid health plan shall furnish to the director such information and reports as required by Title XIX of the federal Social Security Act.  1

(b) The director may require a prepaid health plan to provide the director with information and reports that are furnished by the prepaid health plan to the Director of the Department of Managed Health Care pursuant to the provisions of Chapter 2.2 (commencing with Section 1340) of Division 2 of the Health and Safety Code, the Knox-Keene Health Care Service Plan Act of 1975.

(c) The director may, by regulation, require plans to furnish statistical information to the extent the information is necessary for the department to establish rates of payment pursuant to Section 14301.1 and to provide reports pursuant to Section 14313. The department shall, to the extent feasible, accept this information in a form which is consistent with reports required to be provided pursuant to the Knox-Keene Health Care Service Plan Act of 1975. In the case of a hospital based plan that is a health maintenance organization qualified pursuant to Title XIII of the federal Public Health Service Act,  2 and that has more than one million enrollees, of whom less than 10 percent are Medi-Cal enrollees, information required pursuant to this subdivision shall consist of reports required to be made to the United States Department of Health and Human Services pursuant to Title XIII of the federal Public Health Service Act.