Any referendum conducted under the provisions of this Article may be held by mail ballot or by box ballot as may be determined and publicly announced as herein provided by the agency before such referendum is called. A person licensed by the Marine Fisheries Commission to engage in business and commerce as may be directly affected by the paying of the assessment, or anyone who would be subject to paying such assessment should the question be voted in the affirmative, shall be eligible and may vote in such referendum. (1967, c. 890, s. 10; 1973, c. 1262, s. 86; 1977, c. 771, s. 4; 1987, c. 641, s. 6.)