The Illinois Oath of Guardian is an official form that must be completed by someone who is taking on the role of a legal guardian of a minor or an adult who has been deemed incapacitated. The Oath of Guardian is issued by the court and requires the signature of the proposed guardian, the minor or incapacitated adult, and two witnesses. Depending on the circumstances, there are different types of Illinois Oath of Guardian. A Guardian of the Person Oath of Guardian is typically used when a minor child has been placed in the care of a legal guardian, or when an adult has been deemed incapacitated and appointed a legal guardian. This type of Oath of Guardian outlines the duties of the guardian and requires that the guardian agrees to act in the best interest of the minor or incapacitated adult. A Guardian of the Estate Oath of Guardian is used when an adult has been deemed incapacitated and appointed a legal guardian to manage their financial affairs. This type of Oath of Guardian outlines the duties of the guardian and requires that the guardian agrees to manage the financial affairs of the incapacitated adult in accordance with Illinois state law. Finally, a Joint Oath of Guardian is used when two people are appointed legal guardians of a minor child or incapacitated adult. This type of Oath of Guardian requires both guardians to agree to act in the best interest of the minor or incapacitated adult.