Cal. Financial Code § 22458

In lieu of subdivision (a) of Section 22337, with respect to open-end loans, except in the case of an account that the licensee deems to be uncollectible, or for which delinquency collection procedures have been instituted, the licensee shall deliver or cause to be delivered to the borrower, or any one thereof, for each billing cycle at the end of which there is an outstanding balance in the account, or to which a finance charge is imposed, a statement setting forth the outstanding balance in the account at the beginning of the billing cycle, the date and amount of any subsequent loan advance during the period, the amounts and dates of crediting to the account during the billing cycle that payments are credited, the amount of any finance charge debited to the account during the billing cycle, the annual percentage rate of finance charge determined under Regulation Z promulgated by the Board of Governors of the Federal Reserve System (12 C.F.R. 226), the balance on which the finance charge was computed, the closing date of the billing cycle, the outstanding balance on that date, and the minimum monthly payment required in the absence of any additional advance. If there has been any change in the nature of the security for the loan since the next preceding advance, the statement shall contain or be accompanied by a statement of the nature of the security for the loan after that change.