Indiana Code Title 3. Elections § 3-6-4.1-4

Sec. 4. (a) Before May 1 of a year that the term of a member of the commission expires, the state chairman of the major political party of the state represented by that member may nominate, in writing, two (2) individuals of the state chairman's own political party to succeed the member whose term will expire.

(b) The state chairman of a political party may nominate the individual whose term will expire that year to serve a new term.

(c) If the state chairman makes the nominations before May 1, the governor shall appoint one (1) of the nominees to the commission.

(d) If the state chairman fails to make the nominations before May 1, the governor shall, within another ten (10) days, appoint a member of the same political party as the state chairman.  The state chairman may disapprove the selection by notifying the governor within seven (7) days after receiving notice of the governor's appointment.

(e) If the state chairman disapproves the selection within the seven (7) day period under subsection (d), the governor shall make another appointment under subsection (d) that is also subject to the disapproval of the state chairman under subsection (d).

(f) If the state chairman does not disapprove an appointment under subsection (d) within the seven (7) day period, the individual appointed by the governor is a member of the commission.