California Code
CHAPTER 32 - Smoking in Public Buildings
Section 7598.

7598. Except as provided in Section 7597, a public employee or other person may smoke in any outdoor area of a public building unless otherwise prohibited by state law or local ordinance and a sign describing the prohibition is posted by the state, county, or city agency or other appropriate entity.

(Added by Stats. 2003, Ch. 342, Sec. 1. Effective January 1, 2004.)