In this chapter you will learn how to fill out the motion to modify child support form. Contact Court Administration in the county where your case is filed if you need to get a copy of your current child support order.This document is a sample form letter designed for individuals seeking a downward modification of their child support obligations. Most child support forms are available in several languages. Find the form you want and choose the language you need. Below is a list of frequently requested Human services forms. Click on the form to complete and print. Requesting a change. File a motion with Hennepin County District Court. Contact the initial agency that issued the original child support agreement.