Sec. 5. (a) At the first meeting of the commission each year, the members shall elect:
(1) one (1) member to be the commission's chairperson; and
(2) one (1) member to be the commission's vice chairperson.
(b) A vacancy in the office of chairperson or vice chairperson shall be filled by vote of the remaining members. The term of office of a person chosen to fill a vacancy expires at the first meeting of the commission the following year.