Indiana Code Title 3. Elections § 3-13-11-5

Sec. 5.  (a) To be eligible to be a member of a caucus under this chapter, a precinct committeeman must satisfy the following:

An elected precinct committeeman is eligible to participate in a caucus called under this chapter, regardless of when the vacancy in the office occurred.

(b) An appointed precinct committeeman is eligible to participate in a caucus called under this chapter if the precinct committeeman was a precinct committeeman thirty (30) days before the vacancy occurred.

(c) If fewer than two (2) persons are eligible to be members of a caucus under this section, the county chairman entitled to give notice of a caucus under section 3 of this chapter shall fill the vacancy, no later than thirty (30) days after the vacancy occurs.  A chairman acting under this subsection is not required to conduct a caucus.