Penal Code section 17312

“Valid state or federal serial number or mark of identification” means either of the following:

(a)

A serial number that has been imprinted by a federal licensee authorized to serialize firearms in accordance with federal law, or that has been assigned to a firearm pursuant to Chapter 53 of Title 26 of the United States Code and the regulations issued pursuant thereto.

(b)

A serial number or mark of identification issued by the California Department of Justice pursuant to Section 23910 or 29180.

Source: Section 17312, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PEN§ionNum=17312.­ (updated Jun. 30, 2022; accessed Jun. 25, 2025).

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Verified:
Jun. 25, 2025

§ 17312's source at ca​.gov