Section 18170 - Standing to file for gun violence restraining order(a)(1) Any of the following individuals may request that a court, after notice and a hearing, issue a gun violence restraining order enjoining the subject of the petition from having in their custody or control, owning, purchasing, possessing, or receiving a firearm or ammunition for a period of time between one to five years: (A) An immediate family member of the subject of the petition.(B) An employer of the subject of the petition.(C) A coworker of the subject of the petition, if they have had substantial and regular interactions with the subject for at least one year and have obtained the approval of the employer.(D) An employee or teacher of a secondary or postsecondary school that the subject has attended in the last six months, if the employee or teacher has obtained the approval of a school administrator or a school administration staff member with a supervisorial role.(E) A law enforcement officer.(F) A roommate of the subject of the petition.(G) An individual who has a dating relationship with the subject of the petition.(H) An individual who has a child in common with the subject of the petition, if they have had substantial and regular interactions with the subject for at least one year.(2) This chapter does not require a person described in paragraph (1) to seek a gun violence restraining order.(b) For purposes of this subdivision, "dating relationship" has the same meaning as in paragraph (10) of subdivision (f) of Section 243.(c) For purposes of this section, "immediate family member" means any spouse, whether by marriage or not, domestic partner, parent, child, any person related by consanguinity or affinity within the second degree, or any person related by consanguinity or affinity within the fourth degree who has had substantial and regular interactions with the subject for at least one year.(d) For purposes of this subdivision, "roommate" means a person who regularly resides in the household, or who, within the prior six months, regularly resided in the household, and who has had substantial and regular interactions with the subject for at least one year.(e) This section shall become operative on September 1, 2020.Amended by Stats 2022 ch 974 (AB 2870),s 2, eff. 1/1/2023.Added by Stats 2019 ch 725 (AB 61),s 4.5, eff. 1/1/2020.Added by Stats 2019 ch 724 (AB 12),s 8, eff. 1/1/2020.