These forms and instructions are available in the General Clerk's Office, Room 108, in the Nassau County. Download and complete Divorce, Child Support, and Maintenance forms from the Illinois Office of the Courts.Use this form to show they have adequate means of financial support and are not likely to rely on the US government for financial support. This Easy Form help you make the forms to get a divorce. You can use it if you and your spouse have children together or if you do not. This Affidavit is a form document and it is a breakdown of your gross monthly income; your net monthly income; your monthly expenses; your property. You may complete a new Form IL-W-4 to update your exemption amounts and increase your. Illinois withholding. The forms below are some of the most common forms used in the Domestic Relations Division, but there are many more. Check your state's deadlines here!