The forms below are some of the most common forms used in the Domestic Relations Division, but there are many more. A. Type in 99500 in the Case Cross Reference Number box. b.Download and complete Divorce, Child Support, and Maintenance forms from the Illinois Office of the Courts. Arbitration can only happen in Illinois if there was a written contract agreeing to arbitration. This legal research guide features links to family law resources in Cook County, Illinois, the United States generally, and internationally. Cases in the Mandatory Arbitration program one must: i. Standard Arbitration Clause. Parties can copy and paste these clauses into their contracts. Filing for divorce is the first official step in the legal process of ending a marriage, but you can take several important steps to prepare ahead of time. However, family law mediation is often a viable alternative that offers many benefits.