Child Support Forms ; 4-3b. Addendum to Support Petition– Request for Child Support (IV-D) Services.A sample of a child support order is provided in the back of this booklet. If you owe child support arrears, complete the following form to see which enforcement actions might be taken. Edit, sign, and share arrears cap program online. No need to install software, just go to DocHub, and sign up instantly and for free. 1. Fill out a child support modification petition. 2. File the petition with the Family Court that most recently established your order. If you disagree with your FINAL child support order, you have the right to object. This means you can ask the court to look at the facts of your case again.