Article 2. County Health Administration For Cities of California Health And Safety Code >> Division 101. >> Part 3. >> Chapter 4. >> Article 2.

When the governing body of a city in the county consents by resolution or ordinance, the county health officer shall enforce and observe in the city all of the following:
  (a) Orders and quarantine regulations prescribed by the department and other regulations issued under this code.
  (b) Statutes relating to the public health.

The resolution or ordinance shall be adopted and a certified copy served on the clerk of the board of supervisors on or before the first day of March of any year, and the services of the county health officer in the city shall commence on the first day of July following service of notice. The services shall continue indefinitely until the governing body of the city terminates them by adoption of a resolution and ordinance and service of a certified copy on the clerk of the board of supervisors on or before the first day of March of any subsequent year. The services of the county health officer shall terminate on the first day of July following service of notice.