Missouri Revised Statutes Title XX. Alcoholic Beverages § 311.297. Alcohol samples for tasting on and off licensed retail premises, when

3. (1) Notwithstanding any other provisions of this chapter to the contrary, any winery, distiller, manufacturer, wholesaler, or brewer or designated employee may provide or furnish distilled spirits, wine, or malt beverage samples on a licensed retail premises for customer tasting purposes so long as the winery, distiller, manufacturer, wholesaler, or brewer or designated employee has permission from the person holding the retail license. The retail licensed premises where such product tasting is provided shall maintain a special permit in accordance with section 311.294 or hold a by-the-drink-for-consumption-on-the-premises-where-sold retail license. No money or anything of value shall be given to the retailers for the privilege or opportunity of conducting the on-the-premises product tasting.

(2) Distilled spirits, wine, or malt beverage samples may be dispensed by an employee of the retailer, winery, distiller, manufacturer, or brewer or by a sampling service retained by the retailer, winery, distiller, manufacturer, or brewer. All sampling service employees that provide and pour intoxicating liquor samples on a licensed retail premises shall be required to complete a server training program approved by the division of alcohol and tobacco control.

(3) Any distilled spirits, wine, or malt beverage sample provided by the retailer, winery, distiller, manufacturer, wholesaler, or brewer remaining after the tasting shall be returned to the retailer, winery, distiller, manufacturer, wholesaler, or brewer.