Cal. Gov't Code § 50031

(a) A city, including a charter city, county, including a charter county, or city and county, including a charter city and county, that approves a building permit for the construction of an electrified security fence shall notify the local fire department and fire marshal and provide them with a copy of the approved permit.
(b) For purposes of this section, the term “electrified security fence” has the same meaning as that term is defined in Section 835 of the Civil Code.