67.785.  Lake authority, members — appointment — terms — successors — qualifications — election. — 1.  The authority shall consist of nine members, appointed or elected as follows:

  (1)  Within thirty days after approval by the voters of the sales tax authorized in section 67.782, the county commission of the second class county shall initially appoint six members to the authority, with the terms of two members each expiring on December 31, 1992, December 31, 1994, and December 31, 1996.  The county commission of the third class county shall initially appoint three members to the authority, with the terms of one member each expiring on December 31, 1992, December 31, 1994, and December 31, 1996;

  (2)  As the term of each initial member expires, new members shall be elected from each county.  Each elected member shall serve a six-year term and until his successor is duly elected and qualified.

  2.  A person, to be qualified to serve as a member, shall be a voter of the state for more than five years prior to his election or appointment, shall be a resident in the county which he will represent for more than five years and shall be over the age of twenty-five years.  If any member moves outside the county from which he was appointed or elected, his seat shall be deemed vacant and a new member shall be appointed by the county commission of such county to complete his unexpired term.

  3.  A person desiring to become a candidate for the authority shall pay the sum of five dollars as a filing fee to the treasurer of the county in which he resides, and shall file with the election authority a statement under oath that he possesses all of the qualifications set out in sections 67.781 to 67.790 for a member of the authority.  Thereafter, he shall have his name placed on the ballot as a candidate.

  4.  If six or more persons from the second class county file as candidates, a primary election shall be held in August, and the four candidates who receive the most votes shall be candidates at the general election.  If two or more candidates receive an equal number of votes, and if that number of votes would otherwise qualify each tied candidate for a position on the general election ballot, all such tied candidates shall be included on the general election ballot.  The two candidates from the second class county receiving the most votes in the general election shall be declared the winners.

  5.  If four or more persons from the third class county file as candidates, a primary election shall be held in August, and the two candidates who receive the most votes shall be candidates at the general election.  If two or more candidates receive an equal number of votes, and if that number of votes would otherwise qualify each tied candidate for a position on the general election ballot, all such tied candidates shall be included on the general election ballot.  The candidate from the second class county receiving the most votes in the general election shall be declared the winner.