California Code
ARTICLE 3 - Application of the Chapter
Section 8557.

8557. No city, county, or city and county shall prohibit a person or group of persons, authorized by the board by a license, certificate, or other such means under this chapter to engage in a particular business, from engaging in that business, occupation, or profession or any portion thereof as authorized in this chapter.

(Added by Stats. 2011, Ch. 99, Sec. 1. (AB 417) Effective January 1, 2012.)