Section 10753.
Cal. Vehicle Code - VEH § 10753.
in effect(a)
Any person who removes, alters, or obfuscates any vehicle identification number or other unique marking that has been added to a catalytic converter is guilty of a misdemeanor.
(b)
Any person who knowingly possesses three or more catalytic converters that have the vehicle identification number or other unique marking removed, altered, or obfuscated is guilty of a misdemeanor.
(c)
This subdivision does not apply to either of the following:
(1)
Any
person who is removing, altering, or obfuscating a vehicle identification number or other unique marking in order to apply a new vehicle identification number or unique marking because the catalytic converter is being lawfully installed on a different vehicle.
(2)
Any person that is disassembling, smelting, or otherwise permanently destroying a catalytic converter lawfully in their possession.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026
