Forms Packet: Motion to Modify Child Support. Forms in this category are now available as Fillable Smart Forms.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. File a motion with Hennepin County District Court. You may file a motion to modify your support order. In this chapter you will learn how to fill out the motion to modify child support form. Below is a list of frequently requested Human services forms. Click on the form to complete and print. " If you are asking for child support to be modified, you must prove to the court that your financial situation has changed.