Mo. Rev. Stat. § 209.160: Discrimination or interference with persons having visual, hearing or physical disabilities, a misdemeanor.

Any person or persons, firm or corporation, or the agent of any person or persons, firm or corporation who denies or interferes with admittance to or enjoyment of the public facilities enumerated in section 209.150 or otherwise interferes with the rights of a totally or partially blind or deaf person, or a physically disabled person under section 209.150 shall be guilty of a class B misdemeanor.