2005 Missouri Revised Statutes - § 311.300. — Persons eighteen years of age or older may sell or handle liquor or beer, when.

311.300. 1. Except as provided in subsections 2, 3 and 4 of this section, no person under the age of twenty-one years shall sell or assist in the sale or dispensing of intoxicating liquor or nonintoxicating beer.

2. In any place of business licensed in accordance with section 311.200, or section 312.040, RSMo, persons at least eighteen years of age may stock, arrange displays, operate the cash register or scanner connected to a cash register and accept payment for, and sack for carryout, intoxicating liquor or nonintoxicating beer. Delivery of intoxicating liquor or nonintoxicating beer away from the licensed business premises cannot be performed by anyone under the age of twenty-one years. Any licensee who employs any person under the age of twenty-one years, as authorized by this subsection, shall, when at least fifty percent of the licensee's gross sales does not consist of nonalcoholic sales, have an employee twenty-one years of age or older on the licensed premises during all hours of operation.

3. In any distillery, warehouse, wholesale distributorship, or similar place of business which stores or distributes intoxicating liquor or nonintoxicating beer but which does not sell intoxicating liquor or nonintoxicating beer at retail, persons at least eighteen years of age may be employed and their duties may include the handling of intoxicating liquor or nonintoxicating beer for all purposes except consumption, sale at retail, or dispensing for consumption or sale at retail. Any wholesaler licensed pursuant to this chapter or chapter 312, RSMo, may employ persons of at least eighteen years of age to rotate, stock and arrange displays at retail establishments licensed to sell intoxicating liquor or nonintoxicating beer.

4. Persons eighteen years of age or older may, when acting in the capacity of a waiter or waitress, accept payment for or serve intoxicating liquor or nonintoxicating beer in places of business which sell food for consumption on the premises if at least fifty percent of all sales in those places consists of food; provided that nothing in this section shall authorize persons under twenty-one years of age to mix or serve across the bar intoxicating beverages or nonintoxicating beer.

(RSMo 1939 § 4885, A. 1949 S.B. 1114, A.L. 1969 S.B. 37, A.L. 1971 H.B. 173, A.L. 1976 S.B. 487, H.B. 1367, A.L. 1981 S.B. 128, A.L. 1996 S.B. 933, A.L. 1997 H.B. 63)