Wisconsin OWI/DUI defense

OWI/DUI Refusal Hearings in Wisconsin: Implied Consent (§343.305)

Wisconsin's Implied Consent law (§343.305) means that by driving on Wisconsin roads, you have already consented to chemical testing if lawfully arrested for OWI. Refusing the evidentiary breath or blood test triggers an automatic 12-month license revocation, separate from and in addition to any OWI penalties. You have exactly 10 days from the date of the refusal to request a hearing. Miss that window and the revocation stands.

Last reviewed 2026-04-15 by Cafferty & Scheidegger, S.C. · Free 24/7 consultations · Hablamos español

Cafferty & Scheidegger OWI/DUI defense attorneys serving southeast Wisconsin
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The 10-day deadline

This is not flexible. Under §343.305(9)(a)(5), you must submit a written request for a refusal hearing to the court within 10 days of the date the Notice of Intent to Revoke was issued. If you miss this deadline, the revocation takes effect automatically and cannot be challenged.

Do this today: If you refused the chemical test and have not yet requested a hearing, call (262) 632-5000 immediately. We can file the hearing request the same day. Every day that passes narrows your options.

How the implied consent refusal process works

  1. Arrest: Officer establishes probable cause for OWI and places you under arrest.
  2. Informing the Accused: Officer reads the “Informing the Accused” form, a standardized document that explains the consequences of refusing and the consequences of submitting to testing. This reading must comply strictly with statutory requirements.
  3. Refusal: You decline the evidentiary test (breath or blood). The officer issues a Notice of Intent to Revoke your operating privilege.
  4. 10-day window: You (or your attorney) file a written hearing request with the appropriate court.
  5. Refusal hearing: The court examines whether the officer had grounds to arrest, whether the “Informing the Accused” was properly administered, and whether the refusal was unreasonable.

Refusal revocation penalties

Prior OWI history Refusal revocation period
No prior offenses 12 months
1 prior offense 24 months
2 prior offenses 36 months
3+ prior offenses 36 months

These revocation periods are separate from any revocation imposed for the underlying OWI conviction. They run consecutively, not concurrently. You could face years without a valid license.

Defenses at the refusal hearing

Was the arrest lawful?

The officer must have had probable cause for the OWI arrest before requesting the chemical test. If the arrest was unlawful (illegal stop, fabricated probable cause, or insufficient field sobriety evidence) the refusal revocation falls with it.

Was “Informing the Accused” read correctly?

The “Informing the Accused” form must be read completely and accurately. Officers must use the version current as of the arrest date. Deviations can invalidate the refusal: skipping sections, paraphrasing, reading an outdated version, or reading it in a language the accused doesn’t understand.

Was the refusal truly a refusal?

Not every non-compliance is a legal refusal. Common scenarios we challenge:

The refusal and the OWI charge are separate proceedings

A critical point many people miss: the refusal hearing is a civil administrative proceeding about your license. The OWI charge is a separate criminal (or civil-forfeiture) case. Winning the refusal hearing does not dismiss the OWI. Losing the refusal hearing does not prove the OWI. But the two proceedings share facts, and the strategy in one affects the other. They should be handled by the same attorney with a unified defense theory.

Refusal and the OWI offense count

Under §343.307, a refusal revocation counts as a prior offense for purposes of escalating future OWI charges. A refusal revocation alone, even without an OWI conviction, can push your next OWI into a higher penalty tier. A refusal on what would have been a 1st offense can make your next arrest a 2nd-offense criminal charge.

Occupational license during a refusal revocation

You may be eligible for an occupational (hardship) license during the revocation period. Requirements include:

The clock is running. If you refused the chemical test, every day that passes without filing a hearing request is a day closer to losing the right to challenge the revocation. Call (262) 632-5000 now. We file same-day in Racine, Kenosha, and Walworth counties.

Frequently asked questions

What happens if I refuse the breathalyzer in Wisconsin?
Refusing the evidentiary breath or blood test after a lawful OWI arrest triggers an automatic 12-month license revocation under Wisconsin's Implied Consent law (§343.305). This revocation is separate from and runs consecutively with any OWI penalties. A second refusal means 24 months; third or subsequent, 36 months. The refusal also counts as a prior offense for future OWI counting.
How many days do I have to request a refusal hearing in Wisconsin?
Exactly 10 days from the date the Notice of Intent to Revoke was issued. This deadline is absolute. Miss it and the revocation takes effect automatically with no right to challenge it. If you refused the chemical test, contact an attorney immediately. We file same-day hearing requests in Racine, Kenosha, and Walworth counties.
Does refusing the breath test help or hurt my OWI case?
It depends on the circumstances. A refusal eliminates the BAC number from the state's evidence, which can weaken the OWI prosecution. It also adds a separate 12-month revocation and counts as a prior offense. The refusal hearing and the OWI case are separate proceedings that share facts. They should be handled by the same attorney with a unified defense strategy.
What does the state actually have to prove at a refusal hearing?
Wis. Stat. §343.305(9)(a)5 limits the refusal hearing to three narrow questions: (1) whether the officer had probable cause to believe the driver was operating while intoxicated, (2) whether the officer read the Informing the Accused notice correctly, and (3) whether the driver refused the requested chemical test. Nothing else is on the table — not whether the driver was actually impaired, not whether the stop was lawful. Because the scope is so narrow, small factual wins (a garbled Informing-the-Accused read, a request that wasn't actually a refusal) can defeat the revocation entirely even when the underlying OWI case is strong.
Am I eligible for an occupational license during a refusal revocation?
Yes, but the waiting period runs independently of any OWI-based revocation. Under Wis. Stat. §343.10, a first-offense refusal carries a 30-day waiting period before an occupational license may issue; subsequent refusals extend the wait. IID installation and SR-22 insurance are required before the occupational license can be activated. If you are also facing an OWI revocation, the waiting periods run concurrently, not consecutively, so the longer of the two controls when you can drive again.

Your defense team

Every case is worked directly by a named attorney from first call through final disposition. You will never be handed off to a paralegal or rotated through associates. Your attorney knows your case because they built it.

Patrick K. Cafferty, founding partner and OWI/DUI defense attorney in Racine, Wisconsin

Patrick K. Cafferty

Founding Partner

Marquette Law graduate defending OWI and criminal cases across southeast Wisconsin for over 32 years. Named a Wisconsin Super Lawyer® 18 consecutive years and rated AV Preeminent® by Martindale-Hubbell.

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Jillian J. Scheidegger, partner handling OWI/DUI and criminal defense across southeast Wisconsin

Jillian J. Scheidegger

Partner

Partner since 2013 handling criminal defense and OWI matters for adults and juveniles. Marquette Law graduate, Wisconsin Super Lawyer®, and President-Elect of the Racine County Bar Association.

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Carl Johnson, OWI/DUI trial attorney practicing in Racine, Kenosha, and Walworth counties

Carl Johnson

Attorney

Marquette Law 2006, UW–Madison undergrad. Extensive trial experience including first-degree homicide and sexual assault defense. Racine native practicing in Racine, Kenosha, and Walworth counties.

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Juan S. Ramirez, bilingual OWI/DUI defense attorney and former public defender

Juan S. Ramirez

Attorney

Michigan State Law graduate and former Racine County Public Defender. Bilingual English/Spanish. Won the WACDL Hanson Memorial Advocate Prize for a homicide acquittal. Advises on how criminal charges affect immigration status.

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