Section 3207 Of Chapter 9.5. Political Activities Of Public Employees From California Government Code >> Division 4. >> Title 1. >> Chapter 9.5.

. Any city, county, or city and county charter or, in the absence of a charter provision, the governing body of any local agency and any agency not subject to Section 19251 by establishing rules and regulations, may prohibit or otherwise restrict the following:
  (a) Officers and employees engaging in political activity during working hours.
  (b) Political activities on the premises of the local agency.