To respond to a Petition for Custody and Support, your first step is to fill out a Response form. This tells the court how you want custody and support handled.This form lets you tell the judge and the other parent if you agree or disagree with the request and why. Online Form Preparation and eFiling, Pay a Traffic Ticket, Probate Notes, Remote Access Resource List, Self-Help Resources, Forms and Rules In California, you are required to be properly served with legal papers, including a petition for a change in child custody, support, and visitation. To obtain a simple and uncontested divorce in California, you will need to file the following forms: 1. Petition for Divorce (Form FL-100): On the petition should have either a court date or information on mediation. You respond to FL-300 using form FL-320. Even though you are late responding to the Summons, you should file a response using the forms FL 220 or 270 ASAP.