General Discussion

Rule 9 of The Rules of the Republican Party provides guidance on how to fill presidential and vice presidential vacancies.[9]

It says that the Republican National Committee (RNC) is authorized to select a new candidate by majority vote or by reconvening the national convention to fill the vacancy. In the former process, the three RNC members from each state—comprised of a state chair, a national committeeman, and a national committeewoman—would be able to cast the same number of votes as the entire delegation from that state to the convention.[9] Under Rule 9(c), if the three RNC members did not all support the same candidate, their votes would be proportionately distributed.[9] For example, each RNC member would cast 13 of Kansas' 39 delegate votes.

Ballotpedia