Ignition Interlock Device (IID) in Oregon

Oregon uses the term "DUII" for impaired driving offenses. IID requirement: required for all dui offenses. First offense scope: 1 year. Confirm your actual notice and license status.

Last updated: 2026-09-07

Required for all DUI offenses

Quick Answer

Oregon requires IID for all DUII (Driving Under the Influence of Intoxicants) convictions, including first offenses. The device is mandatory for license reinstatement.

IID Duration by Offense

Offense	IID Duration
1st Offense	1 year
2nd Offense	2 years
3rd Offense	2 years
4th+ Offense	Court-determined (typically 2+ years)

BAC threshold: Any DUII 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

Oregon issues a hardship permit with IID allowing driving during the suspension period for essential purposes.

Tampering / Circumvention Penalties

Tampering with an IID in Oregon is a Class A misdemeanor carrying up to 1 year in jail and fines up to $6,250.

Early Removal

Oregon does not allow early removal.

Oregon-Specific Notes

Oregon uses the term DUII (Driving Under the Influence of Intoxicants). The state was an early adopter of all-offender IID requirements. Oregon also has a DUII diversion program for first offenders that still requires IID.

Frequently Asked Questions

Is an IID required for a first DUII in Oregon?

Yes. Oregon requires IID for all DUII convictions, including first offenses, for 1 year.

How long do I need an IID in Oregon?

First offense: 1 year. Second and third: 2 years. Fourth or more: court-determined.

How much does an IID cost in Oregon?

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

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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.