New TN Ignition Interlock Device Laws–Part 1

Over the next several weeks, Tennessee DUI Center will be highlighting information about the new laws applicable to Tennessee DUI offenses.  The first of the new Tennessee DUI laws involves the use of Ignition Interlock Devices (commonly referred to as IIDs).

Part 1: Mandatory Tennessee Ignition Interlock Device Requirement For DUI 1st Offense Conviction

As of January 1, 2011, many Tennessee DUI offenders, if convicted of driving under the influence, 1st Offense, may face a mandatory order for the installation of an IID if at the time of the offense:

  1. The person’s blood or breath alcohol concentration was .15% or greater;
  2. The person was accompanied by a person under 18 years of age;
  3. The person was involved in a traffic accident requiring notification and the accident was a proximate result of intoxication; OR
  4. The person violated the implied consent law (refused to submit to a blood, breath, or urine test to determine blood alcohol content) and the person has a conviction or juvenile delinquency adjudication for one of the following within the past 5 years:
    • Implied Consent Violation;
    • Underage Driving While Impaired (DWI);
    • Open Container; OR
    • Reckless Driving if the original charge was for Driving Under the Influence (DUI)

Future blog entries will address Tennessee Ignition Interlock Device requirements for Tennessee DUI offenders with prior DUI convictions and will answer many frequently asked questions relating to this new law.  In the meantime, if you have any questions about how the new Tennessee DUI laws may apply to your case, please feel free to contact Knoxville, TN DUI lawyers Steve Oberman and Sara Compher-Rice at (865) 249-7200.

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  1. #1 by April Curtis - December 18th, 2012 at 17:25

    I was convicted on DUI 2nd offense on 11-13-09 and was not ordered to have Interlock installed by the judge and it is not a condition on my judgment documents; however, I have now requested the requirements from the Dept of Safety and it list that I am required to have it installed. I was convicted prior to the new law…am I still required to install the Interlock Device? If not, what documentation do I need to give the Dept of Safety?

  2. #2 by Sara Compher-Rice - December 20th, 2012 at 13:14

    Thank you for your comment. Although Tennessee law has just recently been changed to require the Ignition Interlock Device (IID) as a condition on DUI judgments, the law has required the installation of IIDs prior to driver’s license reinstatement (under certain circumstances) for many years. It sounds like you fall into the requirements under the old law.

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