Ignition Interlock Device (IID) in Oklahoma
Oklahoma uses the term "DUI" for impaired driving offenses. IID requirement: required for all dui offenses. First offense scope: 18 months (with modified license). Confirm your actual notice and license status.
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Quick Answer
Oklahoma requires IID for all DUI convictions, including first offenses. The device is mandatory for obtaining a modified driver's license during the revocation period.
IID Duration by Offense
| Offense | IID Duration |
|---|---|
| 1st Offense | 18 months (with modified license) |
| 2nd Offense | 4 years |
| 3rd Offense | 5 years |
| 4th+ Offense | 5 years or longer |
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
Oklahoma issues a modified driver's license with IID that allows driving with the device installed.
Tampering / Circumvention Penalties
Tampering with an IID in Oklahoma is a misdemeanor carrying fines and possible jail time. The IID period is extended.
Early Removal
Oklahoma does not allow early removal.
Oklahoma-Specific Notes
Oklahoma has notably long IID requirements: 18 months for a first offense and 4-5 years for repeat offenders. These are among the longest first-offense IID durations in the country.
Frequently Asked Questions
Is an IID required for a first DUI in Oklahoma?
How long do I need an IID in Oklahoma?
How much does an IID cost in Oklahoma?
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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.