Ignition Interlock Rules in Wisconsin

First Offense in Wisconsin

only if alcohol concentration was 0.15 or more, or after an improper test refusal

Official source: first offense (Wisconsin)

Repeat Offenses in Wisconsin

required for any offense with one or more prior convictions, suspensions or revocations

Official source: repeat offenses (Wisconsin)

How the Program Works in Wisconsin

Installed in every vehicle titled or registered to you unless the court exempts it (not required on motorcycles, mopeds or autocycles). Lasts at least 1 year after the DMV issues a license (occupational or regular), up to the maximum revocation period; the clock starts only once a license is issued. A person under an IID order may not drive with an alcohol concentration above 0.02. A 24-7 sobriety program may be ordered instead of or before the interlock.

Official source: how the program works (Wisconsin)

More on OWI Law in Wisconsin

See the full overview of OWI laws in Wisconsin and read about how ignition interlock programs work.

• Wisconsin OWI Penalties: First, Second and Third Offense
• OWI License Suspension in Wisconsin: Hearing Deadline and Hardship License
• SR-22 Insurance After an OWI in Wisconsin
• Can an OWI Be Expunged in Wisconsin?
• Refusing a Breath or Blood Test in Wisconsin

Frequently Asked Questions