Sec. 5. "Executive" means the following:
(1) The board of commissioners, for a county that does not have a consolidated city.
(2) The mayor of the consolidated city, for a county having a consolidated city.
(3) The mayor, for a city.
(4) The president of the town council, for a town.
(5) The trustee, for a township.
(6) The superintendent, for a school corporation.
(7) The chief executive officer, for any other political subdivision.