SecondChanceInfo

Ignition Interlock Device (IID) in Massachusetts

Massachusetts uses the term "OUI" for impaired driving offenses. IID requirement: required for high bac or repeat offenses. First offense scope: Not required (unless under 21 or CDL — then 2 years). Confirm your actual notice and license status.

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Required for high BAC or repeat offenses

Quick Answer

Massachusetts requires IID for second and subsequent OUI offenses. First-offense OUI does not require IID unless the offender is under 21 or has a CDL. IID is mandatory for hardship license eligibility for repeat offenders.

IID Duration by Offense

OffenseIID Duration
1st OffenseNot required (unless under 21 or CDL — then 2 years)
2nd Offense2 years
3rd Offense5 years
4th+ Offense10 years

BAC threshold: All second and subsequent offenses; first offense only for under-21 or CDL holders

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

Massachusetts allows a hardship license (Cinderella license) with IID for repeat offenders, permitting driving during certain hours for essential purposes.

Tampering / Circumvention Penalties

Tampering with an IID in Massachusetts carries fines, extension of the IID requirement, and possible additional criminal charges.

Early Removal

Massachusetts does not allow early removal of IID.

Massachusetts-Specific Notes

Massachusetts uses the term OUI (Operating Under the Influence). The state has a lifetime lookback period for prior offenses. IID is not required for standard first-offense OUI, making it less strict than all-offender states for first-timers. However, repeat offender IID durations are very long.

Frequently Asked Questions

Is an IID required for a first OUI in Massachusetts?
No. A standard first-offense OUI does not require IID in Massachusetts. However, if you are under 21 or hold a CDL, IID may be required even for a first offense.
How long do I need an IID in Massachusetts?
Second offense: 2 years. Third offense: 5 years. Fourth or more: 10 years.
How much does an IID cost in Massachusetts?
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.

Related Massachusetts Guides

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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 Massachusetts DMV, your IID provider, or a qualified DUI attorney in Massachusetts.
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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.