Cal. Health and Safety Code § 35816

(a) The secretary shall adopt regulations applicable to all persons who are in the business of originating residential mortgage loans in this state, including, but not limited to, insurers, mortgage bankers, investment bankers, and credit unions and who are not depository institutions within the meaning of subsection (2) of Section 2802 of Title 12 of the United States Code. The regulations for residential mortgage loans shall impose substantially the same reporting requirements by geographic area and loan product as are imposed by the federal Home Mortgage Disclosure Act of 1975, as amended (12 U.S.C. Sec. 2801 et seq.). (b) This section does not apply to subsidiaries of depository institutions or subsidiaries of depository institution holding companies that are currently reporting to a federal or state regulatory agency as provided by the Home Mortgage Disclosure Act of 1975, as amended (12 U.S.C. Sec. 2801 et seq.) or are subject to substantially the same reporting requirements by geographic area and loan product pursuant to an act of a federal or state regulatory agency.