(a) A city, or for unincorporated areas, a county, may adopt, by majority vote of the governing body, an ordinance exempting their jurisdiction from the provisions of this chapter. The adoption of the ordinance shall not be subject to the California Environmental Quality Act (commencing with Section 21000).
(b) Notwithstanding the requirements of this chapter, a city or a county ordinance specifying requirements for tree preservation or solar shade control shall govern within the jurisdiction of the city or county that adopted the ordinance.