An Illinois Order Appointing Representative Of Decedents Estate is a legal document issued by a court in the state of Illinois that appoints a representative to manage the estate of a deceased person. This document is necessary in order for the representative to have the legal authority to act on behalf of the estate and manage its affairs. The types of Illinois Order appointing Representative Of Decedents Estate include Letters of Office, Letters Testamentary, Letters of Administration, and Letters of Guardianship. The Letters of Office document is used when a person has passed away without leaving a will, and a representative must be appointed to manage the estate. Letters Testamentary is used when the deceased has left a will, and it appoints the executor of the will as the representative of the estate. Letters of Administration are used when there is no executor of the will, and a representative must be appointed by the court to manage the estate. Lastly, Letters of Guardianship are used when the estate of the deceased is left to a minor, and a guardian must be appointed to manage the estate on the minor's behalf.