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Wisconsin Laws


Wisconsin prohibits a person from operating a vehicle while intoxicated (OWI) by drugs or alcohol. This prohibition includes any person who drives or operates a vehicle:
 
  • + with a prohibited blood alcohol concentration (per se DUI),
  • + while “under the influence” of any substance that renders the person incapable of safely driving, or
  • + with any detectable amount of restricted controlled substances (such as methamphetamine) in the blood.

A prohibited blood alcohol concentration (BAC) is any BAC of .08% or more regardless of the person’s level of actual impairment. The volume of alcohol necessary to reach these BAC levels can differ depending on the person’s gender, body size and the type of alcohol. 

  1st Offense 2nd Offense 3rd Offense
Jail
None
 
5 days to 6 months 45 days to 1 year
Fines
$150 to $300
 
$350 to $1,100 $600 to $2,000
 
 

Since mandatory IID requirements went into effect in 2010, WisDOT has received hundreds of calls and emails with questions about the program.


The FAQ addresses many of these questions, including:

·         Legal Issues and the Courts

·         Drivers License and Vehicle Registration

·         Fees

·         Operation

·         Installation and Service

·         Violations

·         Health-Related Issues

·         Tips and Troubleshooting

·         Appendix A: Glossary

·         Appendix B: Administrative Code and Statute Citations



Wisconsin courts are required to order an IID to be installed on every vehicle owned by the offender for first offense OWI with an alcohol concentration of 0.15 or higher, for all second or subsequent OWI offense and for chemical test refusal, unless doing so would cause an undue financial hardship.


IIDs are leased from a service provider for the duration of the vehicle sanction, a minimum of 12 months. The lease and service agreement includes fees for installation, monthly service, and removal at the conclusion of the sanction. Other fees may be assessed by the service provider for periodic calibration, violation resets, or permanent lockout conditions.


Installation of an ignition interlock device is carried out by service centers, that are located throughout the state. After identifying nearby service centers, the offender should call (888)234-0198 for fee information and to schedule an appointment for installation.
The installation must be completed within 14 days of a court order or customer request, whichever is later. OWI offenders who are serving a sentence in a county jail and qualify for daily work release privileges have two weeks to show proof of IID installation. Failure to show proof will result in revocation of work release privileges.
 
Contact Information

Chemical Test Section
3502 Kinsman Blvd
Madison, WI 53704

Fax: (608) 243-2954

Email: chemtest@dot.wi.gov