Mo. Rev. Stat. § 115.303
Absentee ballot, how challenged.
115.303. Absentee ballot, how challenged. — Any absentee ballot or any vote on an absentee ballot may be challenged by the same persons and in the same manner as provided in section 115.429 . Each challenge shall be decided in the manner provided in the same section.
(L. 1977 H.B. 101 § 9.070) Effective 1-01-78