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TR-315

Petition to Exempt Vehicles from Ignition Interlock Requirement

Wisconsin · Wisconsin Court System · Effective October 16, 2025

This form is used to ask the Court for an order that lets you drive certain vehicles without needing an ignition interlock device (IID). It requires you to list the vehicles you currently have or will have an IID installed in, and then list the specific vehicles you want exempted and the reason for the exemption.

The court describes it as: To ask the Court for an order exempting specific vehicles from the requirement to install an ignition interlock device (IID).

Open the official PDFfrom Wisconsin Court System

Where this fits in a case

Start a case

Stage: Start a case

This form is used by a defendant in a traffic case to request that the court allow them to operate certain vehicles without the required ignition interlock device.

Usually filed by the person responding.

Official instructions

How-to guides published by the court for this form.

Common questions

Who fills out this form?
The form is for the defendant to fill out. The form text states, "I am the defendant."
What does this form ask the court for?
It asks the Court to exempt specific vehicles from the requirement to have an ignition interlock device (IID) installed.
Does this form require a fee?
The provided text does not mention any filing fees for this form.

Revision history

No changes recorded since we started tracking this form on October 10, 2026. The current version took effect October 16, 2025.

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