File a motion with the court that issued the original divorce decree. You will need to outline the reasons for the requested modification.Affidavit of Status of Minor Child (AOC-CV-609). It is suggested that you view it for procedural information. To change a permanent custody order, a parent or guardian who is a party to the custody arrangement must file a Motion to Modify. North Carolina divorce lawyer Jonathan Breeden has the knowledge and experience to help you make those changes. Call him today at (919) 661-4970. You will need to file a motion to modify custody in Wake County, NC. The Court must first find that there has been a significant change of circumstances. If you and your former spouse or your child's other parent agree to modify an existing order, you can come to an agreement and file it with the court. Steps to modify a child support order in North Carolina.