Mo. Rev. Stat. § 311.410
No person shall transport intoxicating liquor in, into or through the state of Missouri which has not been lawfully manufactured. No person shall transport intoxicating liquor in any quantity exceeding five gallons in or into the state of Missouri for delivery or use therein, unless the required inspection, labeling or gauging fee or license has been paid thereon and unless the bottle or other container in which the liquor is immediately contained has upon it stamps of the director of revenue of the state of Missouri evidencing payment of such fee; provided, however, that persons licensed by the supervisor of liquor control as manufacturers, blenders, or distillers of intoxicating liquor may import intoxicating liquor into and transport it into and within this state in bulk without having paid the fees above referred to and without first affixing the stamps to the containers of such liquor when it is to be used only in manufacturing, blending, or distilling intoxicating liquor, and subject to such regulations as the supervisor of liquor control may prescribe to safeguard the fees due the state of Missouri; and provided further, that persons licensed as manufacturers, blenders, distillers, and wholesalers whose licensed premises are within the state of Missouri may import into United States government bonded warehouses located in this state intoxicating liquors which have been bottled in United States government bond without first paying said fees and without first affixing the stamps to the containers of such liquor, subject to such regulations as the supervisor of liquor control may prescribe to safeguard the fees due this state when such liquor is withdrawn from said warehouse for sale or storage in this state outside of a United States internal revenue bonded warehouse; and provided further, that wholesalers licensed by the supervisor of liquor control whose licensed premises are within the state of Missouri may import into and transport into United States customs bonded warehouses in this state intoxicating liquors from foreign countries and from other United States customs bonded warehouses, located in any state of the United States, without first paying the fees above referred to and without first affixing the stamps to the containers of said liquor subject to such regulations as have been or may be prescribed by the supervisor of liquor control to safeguard the fees due the state of Missouri when such liquor is withdrawn from such United States customs bonded warehouse for sale or storage in this state outside of a United States customs bonded warehouse.
§ 311.410, RSMo