Here's what to expect when you request for a modification of your child support order. Click here to learn the steps in the modification journey.You're always welcome to change the way you make your child support payments, but the court-ordered amount can change only through a court order. Step 1: Fill out your court forms. Fill out the following starting forms: â—‹ Petition to Modify the Parent-Child Relationship. If you would like to change a child support or custody order that resulted from a SAPCR, you will need to file with the court for a modification. Downloadable forms for eFiling, Divorces, and Suites Affecting the Parent-Child Relationship, Child Support, Hail Claims, Legal, LegalEase, and Passports. Download a free child support modification form to propose changes to a current child support agreement. Available in PDF or Word format. By signing in or creating an account, some fields will auto-populate with your information.