(a) (1) Commencing July 1, 2024, a person prohibited from owning or possessing a firearm under Chapter 2 (commencing with Section 29800) or Chapter 3 (commencing with Section 29900) of Division 9 of this title, or Section 8100 or 8103 of the Welfare and Institutions Code, shall not own, possess, or have under custody or control a firearm precursor part.

(2) A violation of this subdivision is punishable by imprisonment in a county jail not to exceed one year, by a fine not to exceed one thousand dollars ($1,000), or by both that fine and imprisonment.

(b) A violation of subdivision (a) does not occur if all of the following conditions are met:

(1) The person found a firearm precursor part or took the firearm precursor part from a person who was committing a crime against the person who found or took the firearm precursor part.

(2) The person possessed the firearm precursor part no longer than was necessary to deliver or transport the firearm precursor part to a law enforcement agency for that agency’s disposition according to law.

(3) The person is prohibited from possessing any firearm precursor part solely because that person is prohibited from owning or possessing a firearm by virtue of Chapter 2 (commencing with Section 29800) of Division 9.

(c) Upon the trial for violating subdivision (a), the trier of fact shall determine whether the defendant is eligible for the exemption created by subdivision (b). The defendant has the burden of proving by a preponderance of the evidence that the defendant is within the scope of the exemption provided by subdivision (b).

(d) The provisions of this section are cumulative and do not restrict the application of any other law. However, an act or omission punishable in different ways by this section and another provision of law shall not be punished under more than one provision.

(Added by Stats. 2019, Ch. 730, Sec. 6. (AB 879) Effective January 1, 2020.)