(a)

1. (1) A person who after October 1, 1955, has been adjudicated by a court of any state to be a danger to others as a result of a mental disorder or mental illness, or who has been adjudicated to be a mentally disordered sex offender, shall not purchase or receive, or attempt to purchase or receive, or have possession, custody, or control of a firearm, other deadly weapon, or ammunition unless there has been issued to the person a certificate by the court of adjudication upon release from treatment or at a later date stating that the person may possess a firearm, other deadly weapon, or ammunition without endangering others, and the person has not, subsequent to the issuance of the certificate, again been adjudicated by a court to be a danger to others as a result of a mental disorder or mental illness.
2. (2) The court shall notify the Department of Justice of the court order finding the individual to be a person described in paragraph (1) as soon as possible, but not later than one court day after issuing the order. The court shall also notify the department of a certificate issued as described in paragraph (1) as soon as possible, but not later than one court day after issuing the certificate.
3. (3) A person described in paragraph (1) shall, in accordance with applicable state law and local procedure, relinquish to law enforcement a firearm, other deadly weapon, or ammunition in their custody or control within 14 days of a court order finding the person to be a person described in paragraph (1) and submit a receipt to the court to show proof of relinquishment.

(b)

1. (1) A person who has been found, pursuant to Section 1026 of the Penal Code or the law of any other state or the United States, not guilty by reason of insanity of murder, mayhem, a violation of Section 207, 209, or 209.5 of the Penal Code in which the victim suffers intentionally inflicted great bodily injury, carjacking or robbery in which the victim suffers great bodily injury, a violation of Section 451 or 452 of the Penal Code involving a trailer coach, as defined in Section 635 of the Vehicle Code, or a dwelling house, a violation of paragraph (1) or (2) of subdivision (a) of former Section 262 of the Penal Code or paragraph (2) or (3) of subdivision (a) of Section 261 of the Penal Code, a violation of Section 459 of the Penal Code in the first degree, assault with intent to commit murder, a violation of Section 220 of the Penal Code in which the victim suffers great bodily injury, a violation of Section 18715, 18725, 18740, 18745, 18750, or 18755 of the Penal Code, or of a felony involving death, great bodily injury, or an act which poses a serious threat of bodily harm to another person, or a violation of the law of any other state or the United States that includes all the elements of any of the above felonies as defined under California law, shall not purchase or receive, or attempt to purchase or receive, or have possession, custody, or control of a firearm, other deadly weapon, or ammunition.
2. (2) The court shall notify the Department of Justice of the court order finding the person to be a person described in paragraph (1) as soon as possible, but not later than one court day after issuing the order.
3. (3) A person described in paragraph (1) shall, in accordance with applicable state law and local procedure, relinquish to law enforcement a firearm, other deadly weapon, or ammunition in their custody or control within 14 days of the court order finding the person to be a person described in paragraph (1) and submit a receipt to the court to show proof of relinquishment.

(c)

1. (1) A person who has been found, pursuant to Section 1026 of the Penal Code or the law of any other state or the United States, not guilty by reason of insanity of a crime other than those described in subdivision (b) shall not purchase or receive, or attempt to purchase or receive, or have possession, custody, or control of a firearm, other deadly weapon, or ammunition unless the court of commitment has found the person to have recovered sanity, pursuant to Section 1026.2 of the Penal Code or the law of any other state or the United States.
2. (2) The court shall notify the Department of Justice of the court order finding the person to be a person described in paragraph (1) as soon as possible, but not later than one court day after issuing the order. The court shall also notify the Department of Justice when it finds that the person has recovered their sanity as soon as possible, but not later than one court day after making the finding.
3. (3) A person described in paragraph (1) shall, in accordance with applicable state law and local procedure, relinquish to law enforcement a firearm, other deadly weapon, or ammunition in their custody or control within 14 days of the court order finding the person to be a person described in paragraph (1) and submit a receipt to the court to show proof of relinquishment.

(d)

1. (1) A person found by a court to be mentally incompetent to stand trial, pursuant to Section 1370, 1370.02, or 1370.1 of the Penal Code or the law of any other state or the United States, shall not purchase or receive, or attempt to purchase or receive, or have possession, custody, or control of a firearm, other deadly weapon, or ammunition unless there has been a finding with respect to the person of restoration to competence to stand trial by the committing court, pursuant to Section 1372 of the Penal Code or the law of any other state or the United States.
2. (2) The court shall notify the Department of Justice of any court order finding a person to be mentally incompetent to stand trial as soon as possible, but not later than one court day after issuing the order. The court shall also notify the Department of Justice when it finds that the person has recovered competence as soon as possible, but not later than one court day after making the finding.

(e)

1. (1) A person who has been placed under conservatorship by a court, pursuant to Section 5350 or the law of any other state or the United States, because the person is gravely disabled as a result of a mental disorder or impairment by chronic alcoholism, shall not purchase or receive, or attempt to purchase or receive, or have possession, custody, or control of a firearm, other deadly weapon, or ammunition while under the conservatorship if, at the time the conservatorship was ordered or thereafter, the court that imposed the conservatorship found that possession of a firearm, other deadly weapon, or ammunition by the person would present a danger to the safety of the person or to others. Upon placing a person under conservatorship, and prohibiting firearm, other deadly weapon, or ammunition possession by the person, the court shall notify the person of this prohibition.
2. (2) The court shall notify the Department of Justice of the court order placing the person under conservatorship and prohibiting firearm, other deadly weapon, or ammunition possession by the person, as described in paragraph (1), as soon as possible, but not later than one court day after placing the person under conservatorship. The notice shall include the date the conservatorship was imposed and the date the conservatorship is to be terminated. If the conservatorship is subsequently terminated before the date listed in the notice to the Department of Justice or the court subsequently finds that possession of a firearm, other deadly weapon, or ammunition by the person would no longer present a danger to the safety of the person or others, the court shall notify the Department of Justice as soon as possible, but not later than one court day after terminating the conservatorship.
3. (3) All information provided to the Department of Justice pursuant to paragraph (2) shall be kept confidential, separate, and apart from all other records maintained by the Department of Justice, and shall be used only to determine eligibility to purchase or possess a firearm, other deadly weapon, or ammunition. A person who knowingly furnishes that information for any other purpose is guilty of a misdemeanor. All the information concerning a person shall be destroyed upon receipt by the Department of Justice of notice of the termination of conservatorship as to that person pursuant to paragraph (2).

(f)

1. (1)

   1. (A) A person who has been (i) taken into custody as provided in Section 5150 because that person is a danger to themselves or to others, (ii) assessed within the meaning of Section 5151, and (iii) admitted to a designated facility within the meaning of Sections 5151 and 5152 because that person is a danger to themselves or others shall not own, possess, control, receive, or purchase, or attempt to own, possess, control, receive, or purchase, a firearm, other deadly weapon, or ammunition for a period of five years after the person is released from the facility.
   2. (B) A person who has been taken into custody, assessed, and admitted as specified in subparagraph (A), and who was previously taken into custody, assessed, and admitted as specified in subparagraph (A) one or more times within a period of one year preceding the most recent admittance, shall not own, possess, control, receive, or purchase, or attempt to own, possess, control, receive, or purchase, any firearm for the remainder of their life.
   3. (C) A person described in this paragraph, however, may own, possess, control, receive, or purchase, or attempt to own, possess, control, receive, or purchase a firearm, other deadly weapon, or ammunition if the superior court has, pursuant to paragraph (5), found that the people of the State of California have not met their burden pursuant to paragraph (6).

2. (2)

   1. (A)

      1. (i) For each person subject to this subdivision, the facility shall, within 24 hours of the time of admission, submit a report to the Department of Justice, on a form prescribed by the Department of Justice, containing information that includes, but is not limited to, the identity of the person and the legal grounds upon which the person was admitted to the facility.
      2. (ii) A report submitted pursuant to this paragraph shall be confidential, except for purposes of the court proceedings described in this subdivision and for determining the eligibility of the person to own, possess, control, receive, or purchase a firearm, other deadly weapon, or ammunition.
   2. (B) Facilities shall submit reports pursuant to this paragraph exclusively by electronic means, in a manner prescribed by the Department of Justice.
3. (3) Prior to, or concurrent with, the discharge, the facility shall inform a person subject to this subdivision that they are prohibited from owning, possessing, controlling, receiving, or purchasing a firearm, other deadly weapon, or ammunition for a period of five years or, if the person was previously taken into custody, assessed, and admitted to custody for a 72-hour hold because they were a danger to themselves or to others during the previous one-year period, for life. The facility shall inform the person that they are required to relinquish a firearm, other deadly weapon, or ammunition that the person owns, possesses, or controls within 72 hours of discharge from the facility and how to relinquish a firearm, other deadly weapon, or ammunition according to state law and local procedures. Simultaneously, the facility shall inform the person that they may request a hearing from a court, as provided in this subdivision, for an order permitting the person to own, possess, control, receive, or purchase a firearm, other deadly weapon, or ammunition. The facility shall also provide the person with a copy of the most recent “Patient Notification of Firearm Prohibition and Right to Hearing Form” prescribed by the Department of Justice and a copy of the completed form to the Department of Justice in a manner prescribed by the Department of Justice. The Department of Justice shall update this form in accordance with the requirements of this section and distribute the updated form to facilities by January 1, 2020. The form shall include information regarding how the person was referred to the facility. The form shall include an authorization for the release of the person’s mental health records, upon request, to the appropriate court, solely for use in the hearing conducted pursuant to paragraph (5). A request for the records may be made by mail to the custodian of records at the facility, and shall not require personal service. The facility shall not submit the form on behalf of the person subject to this subdivision.
4. (4) The Department of Justice shall provide the form upon request to a person described in paragraph (1). The Department of Justice shall also provide the form to the superior court in each county. The Department of Justice shall also provide a copy of the form upon the request of a law enforcement agency solely for investigative purposes. A person described in paragraph (1) may make a single request for a hearing at any time during the five-year period or period of the lifetime prohibition. The request for hearing shall be made on the form prescribed by the department or in a document that includes equivalent language.
5. (5) A person who is subject to paragraph (1) who has requested a hearing from the superior court of the county of their residence for an order that they may own, possess, control, receive, or purchase a firearm, other deadly weapon, or ammunition shall be given a hearing. The clerk of the court shall set a hearing date and notify the person, the Department of Justice, and the district attorney. The people of the State of California shall be the plaintiff in the proceeding and shall be represented by the district attorney. Upon motion of the district attorney, or on its own motion, the superior court may transfer the hearing to the county in which the person resided at the time of their detention, the county in which the person was detained, or the county in which the person was evaluated or treated. Within seven days after the request for a hearing, the Department of Justice shall file copies of the reports described in this section with the superior court. The reports shall be disclosed upon request to the person and to the district attorney. The court shall set the hearing within 60 days of receipt of the request for a hearing. Upon showing good cause, the district attorney shall be entitled to a continuance not to exceed 30 days after the district attorney was notified of the hearing date by the clerk of the court. If additional continuances are granted, the total length of time for continuances shall not exceed 60 days. The district attorney may notify the county behavioral health director of the hearing who shall provide information about the detention of the person that may be relevant to the court and shall file that information with the superior court. That information shall be disclosed to the person and to the district attorney. The court, upon motion of the person subject to paragraph (1) establishing that confidential information is likely to be discussed during the hearing that would cause harm to the person, shall conduct the hearing in camera with only the relevant parties present, unless the court finds that the public interest would be better served by conducting the hearing in public. Notwithstanding any other law, declarations, police reports, including criminal history information, and any other material and relevant evidence that is not excluded under Section 352 of the Evidence Code shall be admissible at the hearing under this section.
6. (6) The people shall bear the burden of showing by a preponderance of the evidence that the person would not be likely to use a firearm, other deadly weapon, or ammunition in a safe and lawful manner.
7. (7) If the court finds at the hearing set forth in paragraph (5) that the people have not met their burden as set forth in paragraph (6), the court shall order that the person shall not be subject to the five-year prohibition or lifetime prohibition, as appropriate, in this section on the ownership, control, receipt, possession, or purchase of a firearm, and that person shall comply with the procedure described in Chapter 2 (commencing with Section 33850) of Division 11 of Title 4 of Part 6 of the Penal Code for the return of a firearm. A copy of the order shall be submitted to the Department of Justice. Upon receipt of the order, the Department of Justice shall delete any reference to the prohibition against firearms from the person’s state mental health firearms prohibition system information.
8. (8) If the district attorney declines or fails to go forward in the hearing, the court shall order that the person shall not be subject to the five-year prohibition or lifetime prohibition required by this subdivision on the ownership, control, receipt, possession, or purchase of firearms. A copy of the order shall be submitted to the Department of Justice. Upon receipt of the order, the Department of Justice shall, within 15 days, delete any reference to the prohibition against firearms from the person’s state mental health firearms prohibition system information, and that person shall comply with the procedure described in Chapter 2 (commencing with Section 33850) of Division 11 of Title 4 of Part 6 of the Penal Code for the return of a firearm.
9. (9) This subdivision does not prohibit the use of reports filed pursuant to this section to determine the eligibility of persons to own, possess, control, receive, or purchase a firearm, other deadly weapon, or ammunition if the person is the subject of a criminal investigation, a part of which involves the ownership, possession, control, receipt, or purchase of a firearm, other deadly weapon, or ammunition.
10. (10) If the court finds that the people have met their burden to show by a preponderance of the evidence that the person would not be likely to use a firearm, other deadly weapon, or ammunition in a safe and lawful manner and the person is subject to a lifetime firearm prohibition because the person had been admitted as specified in subparagraph (A) of paragraph (1) more than once within the previous one-year period, the court shall inform the person of their right to file a subsequent petition no sooner than five years from the date of the hearing.
11. (11) A person subject to a lifetime firearm prohibition is entitled to bring subsequent petitions pursuant to this subdivision. A person shall not be entitled to file a subsequent petition, and shall not be entitled to a subsequent hearing, until five years have passed since the determination on the person’s last petition. A hearing on subsequent petitions shall be conducted as described in this subdivision, with the exception that the burden of proof shall be on the petitioner to establish by a preponderance of the evidence that the petitioner can use a firearm in a safe and lawful manner. Subsequent petitions shall be filed in the same court of jurisdiction as the initial petition regarding the lifetime firearm prohibition.

12. (12)

    1. (A) A person who is subject to paragraph (1), within 72 hours of discharge from a facility, shall relinquish a firearm, other deadly weapon, or ammunition that they own, possess, or control in a safe manner by any of the following methods:

       1. (i) Surrender to the control of a law enforcement agency.
       2. (ii) Sell or transfer to a licensed firearms dealer, as specified in Article 1 (commencing with Section 26700) and Article 2 (commencing with Section 26800) of Chapter 2 of Division 6 of Title 4 of Part 6 of the Penal Code.
       3. (iii) Transfer or cause to be transferred to a licensed firearms dealer for storage during the duration of the prohibition pursuant to Section 29830 of the Penal Code.
       4. (iv) Sell or transfer to a nonprohibited third party with whom the prohibited person does not live using a licensed firearms dealer pursuant to Section 28050 of the Penal Code.
    2. (B) The law enforcement agency or licensed firearms dealer taking possession of a firearm, other deadly weapon, or ammunition from a person relinquishing a firearm, other deadly weapon, or ammunition pursuant to this paragraph shall issue a receipt to the person at the time of relinquishment.
    3. (C) The “Patient Notification of Firearm Prohibition and Right to Hearing Form” described in paragraph (3) shall include information about how a person will relinquish their firearm, other deadly weapon, or ammunition pursuant to subparagraph (A).

(g)

1. (1)

   1. (A) A person who has been certified for intensive treatment under Section 5250, 5260, or 5270.15 shall not own, possess, control, receive, or purchase, or attempt to own, possess, control, receive, or purchase, a firearm, other deadly weapon, or ammunition for a period of five years.
   2. (B) A person who meets the criteria contained in subdivision (e) or (f) who is released from intensive treatment shall nevertheless, if applicable, remain subject to the prohibition contained in subdivision (e) or (f).

2. (2)

   1. (A) For each person certified for intensive treatment under paragraph (1), the facility shall, within 24 hours of the certification, submit a report to the Department of Justice, on a form prescribed by the department, containing information regarding the person, including, but not limited to, the legal identity of the person and the legal grounds upon which the person was certified. A report submitted pursuant to this paragraph shall only be used for the purposes specified in paragraph (2) of subdivision (f).
   2. (B) Facilities shall submit reports pursuant to this paragraph exclusively by electronic means, in a manner prescribed by the Department of Justice.
3. (3) Prior to, or concurrent with, the discharge of each person certified for intensive treatment under paragraph (1), the facility shall inform the person of that information specified in paragraph (3) of subdivision (f).
4. (4) A person who is subject to paragraph (1) may petition the superior court of the county of their residence for an order that they may own, possess, control, receive, or purchase a firearm, other deadly weapon, or ammunition. At the time the petition is filed, the clerk of the court shall set a hearing date within 60 days of receipt of the petition and notify the person, the Department of Justice, and the district attorney. The people of the State of California shall be the respondent in the proceeding and shall be represented by the district attorney. Upon motion of the district attorney, or on its own motion, the superior court may transfer the petition to the county in which the person resided at the time of their detention, the county in which the person was detained, or the county in which the person was evaluated or treated. Within seven days after receiving notice of the petition, the Department of Justice shall file copies of the reports described in this section with the superior court. The reports shall be disclosed upon request to the person and to the district attorney. The district attorney shall be entitled to a continuance of the hearing to a date of not less than 30 days after the district attorney was notified of the hearing date by the clerk of the court. If additional continuances are granted, the total length of time for continuances shall not exceed 60 days. The district attorney may notify the county behavioral health director of the petition, and the county behavioral health director shall provide information about the detention of the person that may be relevant to the court and shall file that information with the superior court. That information shall be disclosed to the person and to the district attorney. The court, upon motion of the person subject to paragraph (1) establishing that confidential information is likely to be discussed during the hearing that would cause harm to the person, shall conduct the hearing in camera with only the relevant parties present, unless the court finds that the public interest would be better served by conducting the hearing in public. Notwithstanding any other law, a declaration, police report, including criminal history information, and any other material and relevant evidence that is not excluded under Section 352 of the Evidence Code, shall be admissible at the hearing under this section. If the court finds by a preponderance of the evidence that the person would be likely to use a firearm, other deadly weapon, or ammunition in a safe and lawful manner, the court may order that the person may own, control, receive, possess, or purchase a firearm, other deadly weapon, or ammunition, and that person shall comply with the procedure described in Chapter 2 (commencing with Section 33850) of Division 11 of Title 4 of Part 6 of the Penal Code for the return of a firearm, other deadly weapon, or ammunition. A copy of the order shall be submitted to the Department of Justice. Upon receipt of the order, the Department of Justice shall delete any reference to the prohibition from the person’s state mental health firearms prohibition system information.

(h)

1. (1) For all persons identified in subdivisions (f) and (g), a facility shall report to the Department of Justice, as specified in those subdivisions, except facilities shall not report a person under subdivision (g) if the same person was previously reported under subdivision (f).
2. (2) Additionally, a facility shall report to the Department of Justice upon the discharge of persons from whom reports have been submitted pursuant to subdivision (f) or (g). However, a report shall not be filed for persons who are discharged within 31 days after the date of admission.

(i)

1. (1) A person, who has been found by a court, on or after July 1, 2024, to be prohibited from owning or controlling a firearm, other deadly weapon, or ammunition because they are a danger to themselves or others and has been granted pretrial mental health diversion pursuant to subdivision (m) of Section 1001.36 or subdivision (p) of Section 1001.80 of the Penal Code, shall not own, possess, control, receive, or purchase, or attempt to own, possess, control, receive, or purchase, a firearm, other deadly weapon, or ammunition until the person successfully completes diversion or their rights are restored pursuant to paragraph (4) of subdivision (g).
2. (2) The court shall notify the Department of Justice of the court order finding the person to be an individual described in paragraph (1) as soon as possible, but not later than one court day after issuing the order. The court shall also notify the Department of Justice that the person has successfully completed diversion as soon as possible, but not later than one court day after completion.