Ala. Code § 2-8-48
Any referendum conducted under the provisions of this article may be held on a statewide basis pursuant to rules and regulations adopted for the holding of such referendum. All producers of swine who shall be subject to any assessments levied under the provisions of this article shall be entitled to vote in the referendum; provided, that only swine producers who sold swine in the year immediately preceding and not less than 30 days prior to this referendum shall be eligible to participate in this referendum. In such referendum, individuals so eligible for participation therein shall vote upon the question of whether there shall be levied an assessment for a period of five years in an amount set forth in the call for such referendum, which amount shall not exceed the limitations prescribed by this article.
Ala. Code § 2-8-48 (1975)