Ignition Interlock Device (IID) in Indiana
Indiana uses the term "OWI" for impaired driving offenses. IID requirement: required for high bac or repeat offenses. First offense scope: 6 months (if BAC 0.15%+ or court-ordered). Confirm your actual notice and license status.
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Quick Answer
Indiana requires IID for OWI convictions with BAC of 0.15% or higher (first offense), and for all repeat offenders. Standard first-offense OWI with BAC below 0.15% may have IID ordered at the court's discretion.
IID Duration by Offense
| Offense | IID Duration |
|---|---|
| 1st Offense | 6 months (if BAC 0.15%+ or court-ordered) |
| 2nd Offense | 1 year minimum |
| 3rd Offense | 2 years minimum |
| 4th+ Offense | 2 years minimum |
BAC threshold: 0.15% BAC for first offense; all repeat offenses
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
Indiana allows specialized driving privileges with IID for work, school, medical, and treatment-related driving.
Tampering / Circumvention Penalties
Tampering with an IID in Indiana is a Class A misdemeanor carrying up to 1 year in jail and fines up to $5,000.
Early Removal
Indiana does not generally allow early removal.
Indiana-Specific Notes
Indiana uses the term OWI (Operating While Intoxicated). The IID requirement primarily applies to high-BAC first offenders and all repeat offenders. Judges have discretion to order IID for any OWI conviction.
Frequently Asked Questions
Is an IID required for a first OWI in Indiana?
How long do I need an IID in Indiana?
How much does an IID cost in Indiana?
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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.