Mo. Rev. Stat. § 302.230
Any person who makes a false unsworn statement or affidavit or knowingly swears or affirms falsely as to any matter or thing required by sections 302.010 to 302.540 shall be deemed guilty of a misdemeanor and punishable only by a fine. No person found guilty of making a false statement or affidavit shall be licensed to operate a motor vehicle for a period of one year after such finding or conviction.
(RSMo 1939 § 8464, A.L. 1951 p. 678, A.L. 1955 p. 621, A.L. 1989 1st Ex. Sess. H.B. 3)
Effective 7-27-89