[Ch. 23 §23.003]
No person shall consume or drink any intoxicating liquor of any kind or any beer on any public street, sidewalk, park or on the outside of any other public place which does not have a liquor license permitting outside consumption.
A. 
Persons Eighteen Years Of Age Or Older May Sell Or Handle Liquor Or Beer, When.
1. 
Except as otherwise provided in this Section, no person under the age of twenty-one (21) years shall sell or assist in the sale or dispensing of intoxicating liquor or non-intoxicating beer.
2. 
In any place of business licensed in accordance with this Chapter, persons at least eighteen (18) years of age may stock, arrange displays, operate the cash register or scanner connected to a cash register, accept payment for, and sack for carry-out intoxicating liquor or non-intoxicating beer. Delivery of intoxicating liquor or non-intoxicating beer away from the licensed business premises cannot be performed by anyone under the age of twenty-one (21) years. Any licensee who employs any person under the age of twenty-one (21) years, as authorized by this Subsection, shall, when at least fifty percent (50%) of the licensee's gross sales does not consist of non-alcoholic sales, have an employee twenty-one (21) years of age or older on the licensed premises during all hours of operation.
3. 
Persons eighteen (18) years of age or older may, when acting in the capacity of a waiter or waitress, accept payment for or serve intoxicating liquor or non-intoxicating beer in places of business which sell food for consumption on the premises if at least fifty percent (50%) of all sales in those places consists of food; provided that nothing in this Section shall authorize persons under twenty-one (21) years of age to mix or serve across the bar intoxicating beverages or non-intoxicating beer.
B. 
Sales To Minor — Exceptions. No licensee, his/her employee, or any other person, shall procure for, sell, vend, give away or otherwise supply any intoxicating liquor in any quantity whatsoever to any person under the age of twenty-one (21) years, except that this Section shall not apply to the parent or guardian of the minor nor to the supplying of intoxicating liquor to a person under the age of twenty-one (21) years for medical purposes only, or to the administering of such intoxicating liquor to such person by a duly licensed physician. No person shall be denied a license or renewal of a license issued under this Chapter solely due to a conviction for unlawful sale or supply to a minor while serving in the capacity as an employee of a licensed establishment.
C. 
Misrepresentation Of Age By Minor To Obtain Liquor — Use Of Altered Driver's License, Passport Or I.D. Cards, Penalties.
1. 
No person under the age of twenty-one (21) years shall represent, for the purpose of purchasing, asking for or in any way receiving any intoxicating liquor, that he/she has attained the age of twenty-one (21) years, except in cases authorized by law.
2. 
In addition to Subsection (C)(1) of this Section, no person under the age of twenty-one (21) years shall use a reproduced, modified or altered chauffeur's license, motor vehicle operator's license, identification card issued by any uniformed service of the United States, passport or identification card established in Section 302.181, RSMo., for the purpose of purchasing, asking for or in any way receiving any intoxicating liquor.
D. 
Minors In Possession Of Intoxicating Liquor, Non-Intoxicating Beer. Any person under the age of twenty-one (21) years, who purchases or attempts to purchase, or has in his/her possession, any intoxicating liquor or non-intoxicating beer as defined in Section 600.010 is in violation of this Section. For purposes of prosecution under this Section, a manufacturer-sealed container describing that there is intoxicating liquor or non-intoxicating beer therein need not be opened or the contents therein tested to verify that there is intoxicating liquor or non-intoxicating beer in such container. The alleged violator may allege that there was no intoxicating liquor or non-intoxicating beer in such container, but the burden of proof of such allegation is on such person, as it shall be presumed that such a sealed container describing that there is intoxicating liquor or any non-intoxicating beer therein contains intoxicating liquor or non-intoxicating beer.
E. 
In all prosecutions under this Section, said presumptions shall be considered by the Court as competent and substantial evidence, and in all events shall remain within the case to be considered together with the other evidence on the subject.