Illegal Possession of Alcohol
Any person under 21 that purchases, asks for, or in any way receives intoxicating liquor can be charged with a misdemeanor.
Use or Possession of a Fake ID
Any person who is under 21 that uses a reproduced, modified, or altered license for the purpose of purchasing, asking for or in any way receiving any intoxicating liquor can be charged with a misdemeanor.
Any person who possesses an open container of alcohol on any street, sidewalk or city parking facility could be charged with a misdemeanor.
Selling Alcohol without a License
It shall be unlawful for any person to sell alcohol, in any quantity, without acquiring a liquor license. If you sell alcohol at or charge admission to an event, the person accepting the money could be charged with selling liquor without a license. Sentences for this violation involve up to two years in prison and/or fines of up to $1,000. If the alcohol is served to a minor, the server could also be charged with supplying alcohol to a minor.
The legal Blood Alcohol Content (BAC) limit for Driving While Intoxicated (DWI) is .08. Those under 21 could be found guilty of a "Zero Tolerance" violation if their BAC is above .02. Consequences could include: fines, license revocation, classes, community service and jail time, as well as misdemeanor or felony charges on your record.
Abuse and Lose Law
In Missouri, anyone under 21 who is operating a motor vehicle with either alcohol or illegal drugs in their possession can have their driver's license revoked for 90 days. The "Abuse and Lose" law also requires that your license be revoked for 90 days if you commit any of the following offenses: any alcohol related traffic offense; possessing or using an illegal drug; altering a driver's license; trying to use someone else's driver's license. Second and subsequent offenses result in a one year license suspension.
Minor in Possession by Consumption Law
Any person under the age of 21 who purchases or attempts to purchase, or has in his or her possession, any intoxicating substance is guilty of a misdemeanor. A minor is also guilty of a misdemeanor for a "minor in possession" if he or she is "visibly intoxicated" or has a detectable BAC of .02.