(1) At the general election, 1984, and every four (4) years thereafter, a prosecuting attorney shall be elected in every county.
(2) No person shall be elected to the office of prosecuting attorney unless he has attained the age of twenty-one (21) years at the time of his election, is admitted to the practice of law within this state, is a citizen of the United States and a qualified elector within the county.
(3) Each candidate shall file his declaration of candidacy with the county clerk.
(4) Each candidate who files a declaration of candidacy shall at the same time pay a filing fee of forty dollars ($40.00) which shall be deposited in the county treasury.