Sec. 11. (a) At a meeting called under section 3, 4, 5, or 6 of this chapter, the eligible participants shall:
(1) establish the rules of procedure for the caucus or meeting, except as otherwise provided in this chapter; and
(2) select, by a majority vote of those casting a vote for a candidate, a person to fill the candidate vacancy described in the call for the meeting.
(b) If more than one (1) person seeks to fill the vacancy, the selection shall be conducted by secret ballot.