CA Food & Agric Code Section 78225.5

(a)

Producers in counties that are not subject to this chapter may petition the commission to be subject to this chapter. If the petition is approved by a two-thirds vote of the members of the commission, the secretary shall conduct an implementation vote of the producers from those counties in accordance with Article 5 (commencing with Section 78270).

(b)

If the secretary certifies a favorable vote, all producers from those counties shall be subject to this chapter.