The judgment creditor may make a demand for a third party claim by a secured party or lienholder. (CCP 720.510) The creditor must file the demand, along with a copy, with the levying officer after the levy on the personal property but before the property is sold or the proceeds are paid to the creditor. (CCP 720.520(a))
The demand shall contain all the following:
Promptly after receiving the demand, and a copy thereof, the levying officer shall personally serve the original demand on the secured party or lienholder. If, because of the service address, the demand must be served by another levying officer, such levying officer’s costs shall be paid out of the costs prepaid to the levying officer who levied on the property. The levying officer’s certificate of service of the demand shall be promptly filed with the court after the service is completed.
Unless otherwise required to release or the third party claim is sooner filed, the levying officer may not sell or otherwise dispose of the personal property described in the demand before expiration of 30 days after service of the demand on the secured party or lienholder. (CCP 720.540)