California Code, Penal Code - PEN § 18185

(a) A person subject to a gun violence restraining order issued under this chapter may submit one written request per year during the effective period of the order for a hearing to terminate the order.

(b) If the court finds after the hearing that there is no longer clear and convincing evidence to believe that paragraphs (1) and (2) of subdivision (b) of Section 18175 are true, the court shall terminate the order.

(c) This section shall become operative on September 1, 2020.