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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: World Med Health Policy. 2015 Mar 19;7(1):28–58. doi: 10.1002/wmh3.132

Table 1.

Minimum Legal Drinking Age 21 (MLDA-21) Law Components: Descriptions and Scoring Changes

MLDA-21 LAW COMPONENTS Description and Comment on Scoring
CORE LAWS THAT APPLY TO YOUTH:

1.Possession
2.Purchase
Illegal for youth under age 21 to possess alcohol.
Scoring change.
Illegal for youth under age 21 to purchase or attempt to purchase alcohol. Possession and purchase were treated together as the laws that met federal standards by 1988

EXPANDED LAWS THAT APPLY TO YOUTH:
3.Consumption
4.Internal Possession
5.Use and Lose
Illegal for youth under age 21 to consume alcohol.
Scoring change.
Evidence of possession and consumption via a BAC test.
New law.
Alcohol citation for youth under age 21 results in drivers' license suspension
6. Use of Fake Identification FID minor – illegal for youth under age 21 to use a fake identification to purchase alcohol

APPLY TO YOUTH DRIVING:
7. Zero Tolerance ZT – illegal for a driver under age 21 to have any alcohol in their system when driving
8. Graduated Driver Licensing with Night Restrictions GDL – youth with intermediate or provisional license prohibited from driving without an adult in the vehicle past a certain hour at night

APPLY TO PROVIDERS:
9.Furnishing or Selling Illegal to furnish or sell alcohol to a youth under age 21.
Scoring change.
10.Age of On-Premise Servers Minimum age set for selling/serving alcohol.
Scoring change.
11.Age of On-Premise Bartenders Minimum age for bartenders.
New law
12.Age of Off-Premise Sellers Minimum age set for selling/serving alcohol.
Scoring change.
13.Keg Registration Identification number for beer keg and purchaser required
14.Responsible Beverage Service Training RBS – responsible beverage training mandatory or voluntary.
Scoring change.
15.Retailer Support Provisions for Fake Identification FID Retailer – provisions to assist retailers in avoiding sales to youth under age 21
16.Social Host Prohibition SHP – prohibits social hosting of underage 21 drinking parties.
Scoring change.
17.Dram Shop Liability Action against commercial provider of alcohol.
New law
18.Social Host Civil Liability Action against non-commercial (private) provider of alcohol.
New law

APPLY TO MANUFACTURERS OR SUPPLIERS OF FAKE IDENTIFICATION:
19. Transfer/Production of Fake Identification FID Supplier – prohibits manufacturing and/or supplying fake identification to youth for the purposes of buying alcohol

APPLY TO STATES CONCERNING CONTROL OF ALCOHOL DISTRIBUTION:
20. State Control of Alcohol Sales State Control – a state-run retail distribution system of one or more of the alcohol beverage types