California Code, Financial Code - FIN § 685

Whenever, under the provisions of this article, the commissioner is required to transmit unclaimed money or other unclaimed property to any state officer for deposit in the State Treasury, the commissioner, upon request of the Controller, shall transmit to the Controller all signature cards and any other identifying information available from the records of the licensee, covering the money or other property.  Upon receipt by the Controller of the signature cards or other identifying information, the licensee and the commissioner shall be relieved of all responsibility therefor.  The signature cards and other identifying information may be destroyed or otherwise disposed of by the Controller whenever, in his or her discretion, their further retention by him or her is no longer required in the interest of the customers or the state.