California Code, Financial Code - FIN § 50307

(a) Each residential mortgage lender or servicer licensee shall file a report with the commissioner annually, on or before the first day of March, giving the relevant information that the commissioner reasonably requires to make the calculation required by subdivision (a) of Section 50401.  The report shall be made under oath and in the form prescribed by the commissioner.

(b) A licensee shall make any other special reports to the commissioner that the commissioner may, from time to time, require.

(c) If any licensed residential mortgage lender or servicer subject to this division fails to make a report required by law or by the commissioner, the commissioner may immediately cause the books, records, papers, and affairs of that licensee to be thoroughly examined.