California Code, Penal Code - PEN § 23630

(b)(1) This division does not apply to the commerce of any firearm intended to be used by a salaried, full-time peace officer, as defined in Chapter 4.5 (commencing with Section 830) of Title 3 of Part 2, for purposes of law enforcement.

(2) Nothing in this division precludes a local government, local agency, or state law enforcement agency from requiring its peace officers to store their firearms in gun safes or attach firearm safety devices to those firearms.

(1) “Department” means the Department of Justice.

(2) “Device” means a firearm safety device as described in Section 23650.

(3) “Roster” means the roster of approved devices maintained by the department pursuant to Section 23655.