North Carolina doesn't provide a formula for calculating postseparation support or alimony. After a child support order issued in another state has been registered in this State, the responding tribunal of this State may modify that order.Illinois Divorce, Child Support, and Maintenance Forms (Illinois Courts). Talk to your family law attorney about how an out-of-state divorce could affect child support and child custody. Why File for Divorce in Another State? In this blog our family law attorney will talk about alimony and child support and how they are different from each other. Child support; Property division; Alimony. To address those issues, the individual must file a separate action asserting those rights. Download and complete Divorce, Child Support, and Maintenance forms from the Illinois Office of the Courts. The self-serve center has forms that individuals can fill out and apply for a divorce.