Mo. Rev. Stat. § 411.331
In case any owner or consignee of grain to a terminal warehouse shall be dissatisfied with the inspection or grade of any lot of grain received by rail or shall from any cause desire to receive his property without its passing into store, he shall be at liberty to have the same withheld from going into the terminal warehouse, whether the property may have previously been consigned to such terminal public warehouse or not, by giving proper notice prior to unloading to the person or corporation in whose possession it may be at the time of giving such notice; and the grain shall be withheld from going into storage and be delivered to the owner subject only to such proper charges including any advanced draft as may be a lien upon it prior to the notice, the grain in railroad cars to be removed therefrom by the owner or consignor within twenty-four hours after the notice has been given to the railroad company having it in its possession; provided, the railroad company place the same in a proper and convenient place for unloading; and any person or corporation refusing to allow the owner or consignor to receive his grain shall be deemed guilty of misdemeanor, and shall be liable to pay the owner or consignor damages for any conversion. Notice that grain is not to be delivered into store may also be given to the proprietor of any terminal warehouse into which it would otherwise have been delivered, and if after the notice it be taken into store in the terminal warehouse, the proprietor of the terminal warehouse shall be liable to the owner of the grain for conversion.
§ 411.331, RSMo