Contact Court Administration in the county where your case is filed if you need to get a copy of your current child support order. Child Support ezDocs is an interactive, online tool parents can use to complete pro se forms to ask the court to change a child support order.Customer: MN child support. JA: How old is the child? In this guide, our Minnesota child support lawyers will walk through the basics of modifying child support in Minnesota courts. When can I modify my child support order? The schedule change is one parent taking on more time? Chapter 3: Affidavit in Support of Motion to Modify Child Support ; Chapter 4: Affidavit of Service. Bring your own motion: There are forms and instructions on the Minneso​ta Court website. This video explains how to file a motion about child custody, parenting time, child support, or other family matters in family court in Minnesota.