California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 5922

(a) If the secretary finds after the hearing that a substantial question of opposition exists among affected producers under this article regarding whether the operation of this article should be continued, the secretary shall submit the article for approval utilizing the following voting procedures set forth in this section and Sections 5923 to 5927, inclusive. As used in this subdivision, “substantial question of opposition” means opposition to the substance of the petition among currently affected producers, and is not intended to mean a particular number of producers.

(b) Within 90 days of the secretary determining the requirement for referendum has been met, the secretary shall establish a list of persons eligible to vote on the continued implementation of this article.

(c) Eligibility shall be limited to producers who paid the assessment on citrus fruit in the immediately preceding marketing season.

(e) Any producer whose name does not appear on the secretary's list may have his or her name added to the list by filing with the secretary a signed statement identifying himself or herself as a producer that paid an assessment during the most recent marketing season.