Affidavit of Child in Support of Motion for an Order for Sibling Placement or Contact. These are the official forms for use in Family Court proceedings.Child Support, Visitation, Custody and Paternity Petition Forms. Packets of forms are available for sale to be used in filing a new case or modifying a case in either the Family or Civil courts. First, download and complete the request form. Access to Forms The Superior Court of Orange County offers several options to assist the public in completing court forms. In the middle u lay out what u see as a conflict or issue. Court Forms, Free forms are available for those actions that only require the single form to be filed on an existing case. 1. Fill out a child support modification petition. 2. File the petition with the Family Court that most recently established your order. 3.