Certificate of Service: Illinois provides an official Affidavit of Service of a Demand or Notice to document delivery. Notice may be personally delivered, left with a resident age 13 or older, or sent by registered or certified mail. (735 ILCS 5/9-211)

Required Notice

Week-to-Week Notice: 7 days (735 ILCS 5/9-207(a))
Month-to-Month Notice: 30 days (735 ILCS 5/9-207(b))
Notice of Non-Renewal: No statute.

Sample

PDF Word

Illinois Lease Termination Letter

Required Notice

Sample