Mo. Rev. Stat. § 701.057
Violations, penalties and fines.
701.057. Violations, penalties and fines. — 1. Any violation of section 701.052 , 701.053 , 701.054 or 701.055 is a class A misdemeanor.
2. Any violation of section 701.046 , 701.047 , 701.048 or 701.050 is a class C misdemeanor.
3. Any violation of section 701.029 or 701.031 is an infraction, except that a persistent violation after notification by the state or county is a class C misdemeanor.
(L. 1994 S.B. 446 § 701.055 subsecs. 1, 2, 3)