PEN § 18145

(a) (1) A judicial officer may issue a temporary emergency gun violence restraining order orally based on the statements of a law enforcement officer made in accordance with subdivision (a) of Section 18140.

(2) If time and circumstances permit, a temporary emergency gun violence restraining order may be obtained in writing and based on a declaration signed under penalty of perjury.

(b) The presiding judge of the superior court of each county shall designate at least one judge, commissioner, or referee who shall be reasonably available to issue temporary emergency gun violence restraining orders when the court is not in session.