Each producer in the Commonwealth who produced 40,000 pounds of potatoes during the year next preceding the date of the referendum held pursuant to this article shall be eligible to vote in the referendum if he certifies to the required production. The certification shall be on forms approved by the Board. Any person meeting these requirements shall be eligible to vote in the referendum, but no person shall be required to be a qualified voter in any other respect. Any person who is not an individual shall vote by its authorized representative.