California Code
ARTICLE 7 - Regulations
Section 5408.3.

5408.3. Notwithstanding Section 5408, a city or a county with land use jurisdiction over the property may adopt an ordinance that establishes standards for the spacing and sizes of advertising displays that are more restrictive than those imposed by the state.

(Added by Stats. 2002, Ch. 972, Sec. 3. Effective January 1, 2003.)