Missouri Revised Statutes Title XX. Alcoholic Beverages § 311.685. Civil actions permitted, when

1. Any retail licensee selling intoxicating liquor under this chapter and aggrieved by official action of the supervisor affecting the licensee may bring a civil action against any person who is the proximate cause of such official action by the supervisor, if the violation occurred on or about the premises of the retail licensee. If a judgment is entered in favor of the licensee, the court shall award the retail licensee civil damages up to an amount of five thousand dollars and shall award reasonable court costs and attorney fees.

2. No civil action shall be brought under this section against any employee of the supervisor of alcohol and tobacco control or any law enforcement officer.