Ignition Interlock Device (IID) in Mississippi

Mississippi uses the term "DUI" for impaired driving offenses. IID requirement: required for all dui offenses. First offense scope: 90 days minimum (during license suspension period). Confirm your actual notice and license status.

Last updated: 2026-09-07

Required for all DUI offenses

Quick Answer

Mississippi requires IID for all DUI convictions, including first offenses, as a condition of receiving a hardship license.

IID Duration by Offense

Offense	IID Duration
1st Offense	90 days minimum (during license suspension period)
2nd Offense	1 year
3rd Offense	3 years
4th+ Offense	5 years

BAC threshold: Any DUI conviction (no BAC threshold — all offenders)

Confirm the device, provider and written quote

Check the responsible authority’s current approval information for the particular device and installer. Request the billing unit, included services, actual paid visit schedule, taxes, fees and removal terms in writing. Confirm financial assistance separately.

Add your own quoted charges in the IID worksheet. Unknown charges stay unknown; no local price or appointment count is assumed.

Restricted License with IID

Available

Mississippi issues a hardship license with IID for essential driving to work, school, and medical needs.

Tampering / Circumvention Penalties

Tampering with an IID in Mississippi carries fines, extension of the IID period, and possible revocation of the hardship license.

Early Removal

Mississippi does not allow early removal.

Mississippi-Specific Notes

Mississippi has a relatively short IID requirement for first offenders (90 days minimum) compared to most all-offender states.

Frequently Asked Questions

Is an IID required for a first DUI in Mississippi?

Yes. Mississippi requires IID for all DUI convictions. First offense: 90 days minimum.

How long do I need an IID in Mississippi?

First offense: 90 days. Second: 1 year. Third: 3 years. Fourth or more: 5 years.

How much does an IID cost in Mississippi?

Get a written quote for your vehicle and program. Confirm the billing period, included service, separately paid visits, taxes, state/program fees and removal charges. Verify any financial assistance before assuming a discount. A generic state price range is not your quote.

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Disclaimer: This is informational only, not legal advice. IID requirements, costs, and approved providers change frequently. Verify current requirements with the Mississippi DMV, your IID provider, or a qualified DUI attorney in Mississippi.

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Sources

NHTSA: interlock device and program background. This national reference does not verify every state rule above. Confirm the applicable law and current instructions with the authority named on your order or licensing notice.