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Connecticut OUI / DMV

Connecticut OUI: Court Case vs. DMV License Suspension

An OUI arrest can trigger two different systems at once: the criminal prosecution in Superior Court and a separate license-suspension process through the Connecticut DMV.

Last reviewed: August 20, 2026

Updated: August 20, 2026

Why are there two different cases?

Connecticut DMV explains that a driver can lose driving privileges through an administrative “per se” process for failing or refusing a chemical test and separately through consequences tied to a court conviction. The DMV process is based on the arrest information and is separate from the criminal court case.

What happens after a failed or refused test?

The DMV receives the arrest report and may impose an administrative suspension for failing or refusing the chemical test. DMV states that, in most cases, the mandatory 45-day suspension begins 30 days after the arrest. The suspension notice provides the deadline and method for requesting a DMV hearing.

Deadlines matter: the DMV states that the suspension notice gives seven days to request an administrative per se hearing.

What about an ignition interlock device?

Connecticut requires an ignition interlock device before restoration for alcohol-related suspensions, with the required duration depending on the statutory basis and driving history. A court conviction can create additional or longer IID requirements.

Why should both tracks be reviewed together?

The evidence may overlap, but the procedures and consequences are not identical. A defense strategy should account for the court case, the DMV timeline, testing issues, driving needs, and any program eligibility at the same time.

Why the DMV deadline deserves immediate attention

The administrative per se process moves on a different track from the criminal prosecution. A later criminal court date does not extend the DMV hearing deadline. The suspension notice controls, and DMV currently states that the notice allows seven days to request the administrative per se hearing. Waiting for the first criminal court appearance can therefore be too late.

The defense should preserve the DMV notice, arrest paperwork, testing records, and any video or other evidence relevant to the stop and chemical-test process. The issues presented at a DMV hearing are not identical to every issue in the criminal case, even though the same arrest generated both proceedings.

What should a driver check before driving again?

Do not rely on the end of a calendar suspension alone. Restoration can require satisfying DMV conditions, including an ignition interlock device when applicable. A driver should confirm the status of the license and the applicable restoration requirements with DMV before operating.

For a first OUI conviction under the current DMV framework, DMV lists a 45-day license suspension followed by an ignition-interlock requirement. Different histories and statutory provisions can produce different consequences, so the current DMV record and notice should be reviewed rather than assuming that another person's timeline applies.

Common questions

If my criminal case is pending, can DMV still suspend my license?

Yes. Connecticut describes the administrative per se suspension as separate from the court case.

How long do I have to ask for a DMV hearing?

The DMV currently states that the notice gives seven days to request the administrative per se hearing. The deadline on the actual notice controls.

Does an OUI conviction have separate license consequences?

Yes. Connecticut DMV lists separate license and ignition-interlock consequences that can follow a court conviction.

Primary sources

This page provides general Connecticut legal information, not advice about any individual case. Eligibility, procedure, and legal consequences depend on the charge, record, facts, and court.

A common misconception

The DMV case and the criminal case are different proceedings.

Clients often assume that losing a DMV hearing means they have been convicted of DUI, or that winning one ends the criminal case. Neither is correct. The DMV proceeding is administrative and concerns driving privileges. The criminal court determines the criminal charge and potential criminal consequences.

Because the two tracks have different standards, deadlines and consequences, they should be addressed separately even though they arise from the same arrest.