Download and complete Divorce, Child Support, and Maintenance forms from the Illinois Office of the Courts. This page is intended to provide basic information about the legal process, statutes, local court rules, and general court administration.What forms are you required to file? EFile a petition for divorce in the Circuit County Court. The forms below are some of the most common forms used in the Domestic Relations Division, but there are many more. After filling out the necessary forms, you must submit them to the circuit court in the county where you or your spouse lives. In fact, Illinois now has one form that is utilized in all Counties for each party to individually complete, which is called a Financial Affidavit. The IMDMA and the Parentage Act of 2015 are the primary statutes that provide the Court with the authority to resolve cases in the Domestic Relations Division. For State Standardized Forms, click HERE. You will be taken to the Illinois Courts website where the most up to date State forms are located.