Cal. Penal Code § 1465.5

An assessment of two dollars ($2) for every ten dollars ($10) or fraction thereof, for every fine, forfeiture, or parking penalty imposed and collected pursuant to Section 42001.13 of the Vehicle Code for violation of Section 22507.8 of the Vehicle Code, may be imposed by each county upon the adoption of a resolution by the board of supervisors. An assessment imposed by this section shall be collected and disbursed as provided in Section 9545 of the Welfare and Institutions Code.