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Affidavit for Service by Posting

Illinois · Illinois Supreme Court · Effective June 1, 2024

This form is an affidavit used to show the court that a person could not be served with an Eviction Summons. It asks the court to allow service by posting, which means posting a notice somewhere visible.

Open the official PDFfrom Illinois Supreme Court

Where this fits in a case

Motions

Stage: Motions

This form is used after a sheriff or special process server has tried to serve the person being evicted but was unable to do so.

Usually filed by the person starting the case.

Official instructions

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

Common questions

Who fills out this form?
The form requires the signature of the person who is completing it, who is filing the affidavit with the court.
What must happen before using this form?
The sheriff or special process server must first try to serve the Defendant and return the Eviction Summons stating they could not be served.

Revision history

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

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