Mo. Rev. Stat. § 302.230: Penalty for false statement or affidavit.

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 class A misdemeanor. No person who pleads guilty or nolo contendere, or is 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 plea, finding or conviction.