Indiana Code Title 3. Elections § 3-6-6-13

Sec. 13. (a) A county election board shall fill a vacancy in a precinct election office before the hour set for the opening of the polls, upon the nomination of the appropriate county chairman.

(b) This subsection applies to a precinct election office when, at noon, twenty-one (21) days before election day, the appropriate county chairman has made no nomination for the office.  The county election board, by majority vote of the board, may fill the office by appointing an individual who would be eligible to serve in the office if nominated by the county chairman.

(c) If a vacancy is filled by the county election board under subsection (b), the board may, by unanimous vote of the entire membership of the board, fill the office by appointing a student:

to serve as a nonpartisan precinct election officer.

(d) If a vacancy is filled by the county election board under subsection (b) (other than inspector), the board may, by unanimous vote of the entire membership of the board, fill the office by appointing a person eligible to serve as a precinct election officer (other than inspector) under section 39 of this chapter.