The Cook County Affidavit of Mailing is an important legal document used in Cook County, Illinois, to provide proof that a document or notice has been sent via mail to the intended recipient. It serves as evidence that the sender has fulfilled their legal obligations in terms of mailing important correspondence. This affidavit is commonly used in various legal proceedings, including court cases, foreclosure proceedings, eviction notices, and other situations where it is imperative to prove that a document has been sent by mail. It ensures that the recipient cannot claim ignorance of the information conveyed in the document due to non-receipt. The Cook County Affidavit of Mailing must contain specific information, including the sender's name and address, the recipient's name and address, the date of the mailing, the description of the document or notice being sent, and the method of mailing (such as certified mail, regular mail, or overnight delivery). Different types of Cook County Affidavit of Mailing may include: 1. Affidavit of Mailing — Regular Mail: This type of affidavit is used when a document or notice is sent via regular mail. It attests to the fact that the sender placed the document in the mail, providing a receipt or other evidence of mailing if available. 2. Affidavit of Mailing — Certified Mail: This affidavit is utilized when a document or notice is sent via certified mail. It confirms that the sender sent the document via certified mail, which provides a tracking number and requires a signature upon delivery. 3. Affidavit of Mailing — Overnight Delivery: In cases where time sensitivity is crucial, this type of affidavit is used when a document or notice is sent via an overnight delivery service such as FedEx or UPS. It verifies that the sender used the specified overnight delivery service, ensuring timely delivery. The Cook County Affidavit of Mailing plays a vital role in legal proceedings, serving as a proof of compliance with mailing requirements. It helps establish a clear record of the sender's actions and safeguards against potential disputes regarding the delivery of important documents or notices.