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Illinois · Illinois Supreme Court · Effective May 1, 2024

This form is used to officially tell the court that you are participating in a case. It asks for information about who started the case, who the case is against, and your contact details.

Open the official PDFfrom Illinois Supreme Court

Where this fits in a case

Start a case

Stage: Start a case

This form is used when someone needs to formally notify the court that they are involved in a case, such as an eviction case.

Either party may file.

Official instructions

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

Common questions

Who should fill out this form?
You fill out this form to tell the court how you are participating in the case. You can fill it out for yourself or for a client if you are a lawyer.

Revision history

No changes recorded since we started tracking this form on October 9, 2026. The current version took effect May 1, 2024.

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