Massachusetts ignition interlock device laws

Breathalyzer Failure

If you are 21 years or older and register a BAC of 0.08 or greater, or if you are under 21 and register a BAC of 0.02 or greater, your license will be suspended for 30 days.**

Once your 30-day suspension has ended, you may be able to reinstate your license by paying a $500 fee prior to your court date.

Breathalyzer Refusal

If you are over the age of 21 and refused to provide a BAC, your license can be suspended for anywhere from 180 days to indefinitely depending on the number of prior OUIs. If you are under the age of 21 and refused to provide a BAC, your license can be suspended for three to five years depending on the number of prior OUIs.

Offenders are entitled to a Registry hearing for a BAC refusal, but you must appear at the Boston branch office within 15 days of the refusal.**

_**If you are under 21, you may be subject to further punishments and suspensions. More information on refusals and hearings can be found here.

To qualify for a hardship license, the defendant must enroll in the 24D program and bring to the RMV all required documents. Although an applicant my meet all requirements, issuance of a hardship license is only granted at the reasonable discretion of the RMV, based on the facts of the case.

If you have two or more OUI convictions and are eligible for a hardship license, you must install an Intoxalock ignition interlock device (IID) for the length of your Hardship License in every vehicle you own or operate. You must also use the Intoxalock ignition interlock device (IID) for an additional two years after your license is reinstated.