A Delaware Affidavit of Nonrevocation of Power of Attorney on Date of Execution of Oil and Gas Lease is a legal document used to declare that a power of attorney granted for the execution of an oil and gas lease has not been revoked. This affidavit provides assurance to all parties involved that the authority granted to the attorney-in-fact remains valid and ensures proper execution of the lease. Keywords: Delaware, affidavit, nonrevocation, power of attorney, execution, oil and gas lease. Different types of Delaware Affidavit of Nonrevocation of Power of Attorney on Date of Execution of Oil and Gas Lease may include: 1. General nonrevocation affidavit: This type of affidavit states that the power of attorney granted for the execution of an oil and gas lease remains in effect and has not been revoked. 2. Limited nonrevocation affidavit: This affidavit is specific to a particular oil and gas lease and affirms that the power of attorney granted for that lease has not been revoked. 3. Joint nonrevocation affidavit: In cases where multiple parties have granted a power of attorney for the execution of an oil and gas lease, a joint nonrevocation affidavit is used to collectively confirm that the power of attorney remains valid for all parties involved. 4. Corporate nonrevocation affidavit: This type of affidavit is used when a company or corporation has granted a power of attorney for the execution of an oil and gas lease. It states that the power of attorney has not been revoked and is still in effect for the specified lease. In summary, a Delaware Affidavit of Nonrevocation of Power of Attorney on Date of Execution of Oil and Gas Lease is a crucial legal document that ensures the continued validity of a power of attorney for the execution of an oil and gas lease. It provides reassurance to all parties involved and helps maintain transparency and legal compliance within the lease agreement.