Cal. Bus. & Prof. Code § 19905

Every owner licensee that is involved in a transaction for the extension or redemption of credit by the licensee, or for the payment, receipt, or transfer of coin, currency, or other monetary instruments, as specified by the commission, in an amount, denomination, or amount and denomination, or under circumstances prescribed by regulations, and any other participant in the transaction, as specified by the commission, shall, if required by regulation, make and retain a record of, or file with the department a report on, the transaction, at the time and in the manner prescribed by regulations.