Missouri Revised Statutes Title IX. Suffrage and Elections § 115.373. Candidates selected by committee to be filed with election authority, when--death of candidate selected by committee, effect of

1. The name of a candidate selected by a party nominating committee for a primary or general election to fill a vacancy created by death, withdrawal or disqualification shall be filed with the secretary of state or proper election authority no later than 5:00 p.m. on the twenty-eighth day after the vacancy occurs or no later than 5:00 p.m. on the eighth Friday prior to the election, whichever occurs sooner.

2. The name of a person selected by a party nominating committee as a candidate to fill an unexpired term shall be filed with the proper election authority no later than 5:00 p.m. on the day which is midway between the day the election is called and election day.

3. The name of a person selected by a party nominating committee as a candidate to fill an unexpired term for state representative or state senator in a special election shall be filed with the secretary of state no later than 5:00 p.m. on the twenty-first day after the writ of election is issued by the governor pursuant to Article III, Section 14 of the Missouri Constitution, calculated by excluding the day the writ is issued.

4. If the candidate selected by a party nominating committee for a primary, general or special election ballot dies prior to the election, the vacancy created by such death may be filled in the manner provided for filling vacancies created by death on the primary and general election ballots.