Illinois Petition For Probate Of Will and For Letters Testamentary is a legal document used to initiate the process of probating a will. It is filed with the county court where the deceased person resided at the time of their death. The petition must be signed by the petitioner, who is typically either the executor named in the will or an heir of the deceased. It must include the full name and address of the petitioner, the name and address of the deceased, the date of death, and a copy of the will. The petition must also include a statement of the assets and debts of the estate, the names and addresses of the heirs, and the names of any other interested parties. There are two types of Illinois Petition For Probate Of Will and For Letters Testamentary: Formal Probate and Informal Probate. Formal Probate is used when the will is complex or when there are disputes among the heirs. It involves a more detailed court process that includes court hearings and can take several months to complete. Informal Probate is a less complex process and is used when the will is straightforward and there are no disputes among the heirs. This process is typically faster and involves fewer court proceedings.