Ind. Code § 4-30-4-1

Sec. 1. The commission is composed of five (5) members to be appointed by the governor. All members must be residents of Indiana for at least the two (2) years immediately preceding the member's appointment. No more than three (3) members may be of the same political party. Vacancies shall be filled for the remainder of an unexpired term in the same manner as the original appointment.