California Code, Code of Civil Procedure - CCP § 700.070

(a) The levying officer shall place a keeper in charge of the business for the period requested by the judgment creditor. During the period, the business may continue to operate in the ordinary course of business provided that all sales are final and are for cash or its equivalent. For the purpose of this subdivision, a check is the equivalent of cash. The levying officer is not liable for accepting payment in the form of a cash equivalent. The keeper shall take custody of the proceeds from all sales unless otherwise directed by the judgment creditor.

(b) The levying officer shall take the tangible personal property into exclusive custody at the earliest of the following times:

(c) Where a keeper is placed in a business for the purpose of taking into custody tangible personal property consisting solely of money or equivalent proceeds of sales, the provisions of subdivision (b) shall not apply, and the levying officer shall take such property into exclusive custody at the end of each daily keeper period.