Mo. Rev. Stat. § 196.175: Penalty.

Any person doing any of the acts prohibited in section 196.170, or omitting to do any of the acts therein commanded, shall be guilty of a misdemeanor, and for each and every offense shall be punished by a fine of not less than twenty nor more than two hundred dollars, one-half of which shall be paid to the person who shall be named as prosecuting witness.