CA Health & Safety Code Section 40152.5

(a)

Section 40152 shall not apply to a unified district if each city in the district consents, by the adoption of an ordinance or resolution, to the exclusion of the district from the requirements of Section 40152.

(b)

Within 60 days from the date of the adoption of an ordinance or resolution by all cities in the district to exclude the district from the requirements of Section 40152, if requested by a majority of the cities in the district, the district shall establish an advisory committee consisting of a mayor, or a city council member, from each city in the district. Each city shall select its representative to the advisory committee.

(c)

Subdivision (a) shall become inapplicable, and Section 40152 shall apply, if, at any time after the condition prescribed in subdivision (a) has been met, a majority of the cities which contain a majority of the population in the incorporated areas of the district, as established by the most recent census data, have adopted resolutions requesting the application of Section 40152.