How did you calculate the money owed to you? (Do not include court costs or fees for service.) Check here if you need more space.Fill out Request for Entry of Default (CIV-100) and sign it. A sample filled-in form with instructions is available in the Forms section of this guide. Welcome to the Riverside County Department of Child Support Services. What parents and witnesses need to know about character reference letters to the court for child custody. Includes a downloadable sample and template. In filling out the 30C Form, please note the following: 1. We offer classroom presentations, workshops and hands-on support. You will also need to file your proof with the court.