The Cook Illinois Affidavit of Nonrevocation of Power of Attorney on Date of Execution of Oil and Gas Lease is a legally binding document used in the state of Illinois to confirm that a Power of Attorney related to an Oil and Gas Lease has not been revoked or terminated. The Affidavit serves to provide assurance to all concerned parties that the appointed Attorney-in-Fact still possesses the authority to act on behalf of the Granter and execute the Oil and Gas Lease. By signing this document, the Granter affirms that they have not revoked or terminated the Power of Attorney. Keywords: Cook Illinois, Affidavit of Nonrevocation, Power of Attorney, Execution, Oil and Gas Lease. Types of Cook Illinois Affidavit of Nonrevocation of Power of Attorney on Date of Execution of Oil and Gas Lease: 1. Individual Nonrevocation Affidavit: This type of affidavit is used when an individual Granter wants to confirm that they have not revoked the Power of Attorney pertaining to their Oil and Gas Lease. 2. Corporate Nonrevocation Affidavit: This variant of the affidavit is employed when a corporation or a business entity acts as the Granter. It ensures that the designated Attorney-in-Fact still holds the authority to execute the Oil and Gas Lease on behalf of the company. 3. Successor Nonrevocation Affidavit: This type of affidavit is used when there is a change in the Attorney-in-Fact due to the death, incapacity, or resignation of the previous Attorney-in-Fact. It confirms that the new Attorney-in-Fact continues to possess the authority to act on behalf of the Granter. 4. Limited Nonrevocation Affidavit: In certain cases, an Attorney-in-Fact may possess limited powers while executing an Oil and Gas Lease. This affidavit confirms that the limited powers have not been revoked or terminated by the Granter. It is important to consult a legal professional or attorney to understand the specific requirements and implications of the Cook Illinois Affidavit of Nonrevocation of Power of Attorney on Date of Execution of Oil and Gas Lease, as it may vary depending on individual circumstances and state laws.