If in such referendum called under the provisions of this Article two thirds or more of the farmers or producers in the State of North Carolina, eligible to participate and voting therein, shall vote in the affirmative and in favor of the levying and collection of such assessment proposed in such referendum on the commodities covered thereby, then such assessment shall be collected in the manner prescribed herein (determined and announced by the agencies conducting such referendum).
N.C. Gen. Stat. § 106-568.12