California Code, Penal Code - PEN § 832.16

(a) On and after October 1, 1993, the Department of Justice shall notify a state or local agency employing a peace officer, as defined by this chapter, who is authorized by the employing agency to carry a firearm, as to whether a peace officer is prohibited from possessing, receiving, owning, or purchasing a firearm pursuant to state or federal law. If the prohibition is temporary, the notice shall indicate the date that the prohibition expires. However, the notice shall not provide any other information with respect to the basis for the prohibition.

(b) Before providing the information specified in subdivision (a), the agency employing the peace officer shall provide the Department of Justice with the officer's fingerprints and other identifying information deemed necessary by the department.

(c) The information specified in this section shall only be provided by the Department of Justice subject to the availability of funding.

(d) The notice required by this section shall not apply to persons receiving treatment under subdivision (a) of Section 8100 of the Welfare and Institutions Code.