Ignition Interlock Device (IID) in Kansas

Kansas uses the term "DUI" for impaired driving offenses. IID requirement: required for all dui offenses. First offense scope: 180 days (6 months) for test failure; 1 year for test refusal. Confirm your actual notice and license status.

Last updated: 2026-09-07

Required for all DUI offenses

Quick Answer

Kansas requires IID for all DUI convictions, including first offenses. The device is mandatory for obtaining a restricted license during the suspension period.

IID Duration by Offense

Offense	IID Duration
1st Offense	180 days (6 months) for test failure; 1 year for test refusal
2nd Offense	1 year
3rd Offense	2 years
4th+ Offense	3 years

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

Available

Kansas allows a restricted license with IID for essential driving purposes.

Tampering / Circumvention Penalties

Tampering with an IID in Kansas is a Class A misdemeanor. Penalties include up to 1 year in jail and fines. The IID requirement is extended.

Early Removal

Kansas does not allow early removal.

Kansas-Specific Notes

Kansas differentiates IID duration between test failures (BAC above limit) and test refusals, with refusals carrying a longer IID requirement (1 year vs. 6 months for first offense).

Frequently Asked Questions

Is an IID required for a first DUI in Kansas?

Yes. Kansas requires IID for all DUI convictions. First offense: 180 days for BAC failure, 1 year for test refusal.

How long do I need an IID in Kansas?

First offense: 6 months (failure) or 1 year (refusal). Second offense: 1 year. Third: 2 years. Fourth or more: 3 years.

How much does an IID cost in Kansas?

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

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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.