California Code, Code of Civil Procedure - CCP § 486.010

(a) At the time of applying for a right to attach order under Chapter 4 (commencing with Section 484.010), the plaintiff may apply pursuant to this chapter for a temporary protective order by filing an application for the order with the court in which the action is brought.

(b) The application shall state what relief is requested and shall be supported by an affidavit, which may be based on information and belief, showing that the plaintiff would suffer great or irreparable injury (within the meaning of Section 485.010) if the temporary protective order were not issued.