California Code, Code of Civil Procedure - CCP § 572

When it is admitted by the pleadings, or shown upon the examination of a party to the action, that he or she has in his or her possession, or under his or her control, any money or other thing capable of delivery, which, being the subject of litigation, is held by him or her as trustee for another party, or which belongs or which is due to another party or which should, under the circumstances of the case be held by the court pending final disposition of the action, the court may order the same, upon motion, to be deposited in court or delivered to such party, upon those conditions that may be just, subject to the further direction of the court.