Candidates for positions on the initial board are nominated by filing a petition with the secretary containing the signatures of at least twenty-five producers in the candidate's district qualified to vote on the referendum. Candidates shall be resident producers of the district from which they are nominated. The secretary shall receive the nominations, and shall call an election for members of the initial board within thirty days following passage of the question at the referendum election.
Iowa Code § 182.6
85 Acts, ch 207, §6