Who Can File for a Modification of a Divorce Decree? For the court to grant a modification, there must be a significant, material, and substantial change of circumstances since the previous order.If both spouses agree on the modifications, they can change the property division in a finalized divorce. In Ohio, requesting a change to your divorce decree requires a formal court filing outlining the reasons for the modification. File A Complaint In The Proper County Courthouse, Service, and Response. You must file a complaint in the county where you have resided for at least 90 days. Click on the link(s) for the forms you'd like to download. Be sure to speak with a qualified housing counselor to find out what affordable modification options are available in your situation. Ohio Child Custody Questions. Ohio Family Law Attorneys provide answers to frequently asked questions!