Sec. 4. "Clerk" means:
(1) clerk of the circuit court, for a county;
(2) county auditor, for a board of county commissioners or county council;
(3) clerk of the city-county council, for a consolidated city;
(4) city clerk, for a second class city;
(5) clerk-treasurer, for a third class city;
(6) clerk-treasurer, for a town; or
(7) chief executive officer of a political subdivision not described in subdivisions (1) through (6).