The Illinois Affidavit Of Surety is a legal document used in the state of Illinois to protect a person from financial losses or damages resulting from a contractual agreement. This document is typically used when one party agrees to act as a guarantor for another party in a contractual agreement. The Affidavit Of Surety serves to protect the guarantor from any losses that may occur as a result of the contractual agreement. There are two types of Illinois Affidavit Of Surety: an individual Affidavit Of Surety and a corporate Affidavit Of Surety. An individual Affidavit Of Surety is an agreement between an individual guarantor and a principal, such as a borrower or debtor. The document states that the guarantor agrees to assume financial responsibility for any losses incurred by the principal due to the contractual agreement. A corporate Affidavit Of Surety is similar to an individual Affidavit Of Surety, except that it is between a corporation and a principal. The document states that the corporation agrees to assume financial responsibility for any losses incurred by the principal due to the contractual agreement.