Ignition Interlock Devices in Mississippi

When is an IID Authorized?

Mississippi has authorized the use of ignition interlock devices (IIDs) for certain drivers convicted of alcohol related driving offenses.

When are IIDs Required?

Mississippi courts require the installation and maintenance of an IID as a condition of reinstatement of driving privileges as follows:

  • For a driver seeking to avoid license suspension for a first or second conviction
  • For a first time offender, the driver must drive on an interlock license for 90 days.
  • For a second-offender, the period is one full year.
  • For a third offender, the period is three years

 What’s an IID?

An IID connects to the vehicle dashboard and the driver breaths into the device prior to starting the vehicle. If the IID detects a BAC above the limit programmed the device (typically calibrated at .02%), then the engine won’t start. Read more about ignition interlock devices (IIDs).

Who Pays For it?

In almost all cases the driver who has been convicted of a DUI/DWI pays for the installation and lease of the ignition interlock system. You can expect to pay up to $100 for installation (although some companies offer free installation) and between $75-$120 per month for the lease. This is a rough estimate and your price may be higher or lower depending on your location.


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