Louisiana: Underage DUI

The drinking age in Louisiana is 21 and consumption of alcohol by anyone under 21 is illegal with the following exceptions:

  • on private, non alcohol-selling premises, with consent of a legal guardian  -- for example, with legal guardian’s permission at a party, or
  • on private, non alcohol-selling premises, no consent of a legal guardian required although laws differ as to whether adults can furnish alcohol, or
  • for religious purposes – for example, drinking wine with religious ceremony, or
  • for medical purposes – for example, a physician administering a medical treatment, or
  • with consent of a legal guardian on alcohol-selling premises – for example, at a restaurant or catered affair.

Because underage drinkers cause a disproportionate number of alcohol-related auto accidents in Louisiana, the standards are stricter and the penalties may be harsher for those under 21.

More information about Louisiana’s teen driving requirements.

What constitutes driving under the influence?

If a chemical test determines that a driver under 21 has a blood alcohol content (BAC) of .02% or higher, the driver can be cited for driving under the influence (or driving while intoxicated – DWI – as it is referred to in Louisiana. (For those 21 or older, the BAC is .08%)

What are the penalties?

If First Drunk Driving Conviction: imprisonment (2 days to six months), fine (up to $1,000), license suspension (90 days)(more information: First Offense DUI in Louisiana).

If Second Drunk Driving Conviction within 10 Years: imprisonment (30 days up to six months (though may be reduced to 48 hours) fine up to $1,000) license suspension (1 year). (More Information: Second Offense DUI in Louisiana.)

What if you refuse the chemical test? Read about Louisiana implied consent laws. 

What other charges?

In addition to driving under the influence, an underage drinker may be charged with any of the following:

  • distributing alcohol to other minors (were there underage drunk passengers?),
  • minor in possession,
  • soliciting alcohol,
  • child endangerment law violations,
  • possession of false identification (was a fake id used to purchase alcohol?), and
  • moving and vehicle maintenance violations (what else did the arresting officer see?).

What happens to insurance?

Some insurance companies may terminate a policy after an underage DUI (while others refuse to renew). Most companies simply raise the cost of the monthly premium by $100 to $200 (sometimes higher) for a higher risk policy. The raise usually stays in place for three to five years. You’ll also probably need to furnish the DMV with an SR-22 certificate to reinstate a license after suspension (as proof of insurability). Most insurance companies furnish this form to the DMV. Check with your insurer to see if it performs this service.

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