Everything you need to write a declaration letter to the judge in your custody case: an example, a downloadable template, an outline and tips. A blank Response to Petition for Custody and Support of Minor Children (form FL-270) must be served on the respondent with a copy of this Petition.You should file a form called the JV-180 Request to Change Court Order for important issues that need to be addressed immediately. You just do a Request for Order (FL300) and request a change of venue. What are your reasons for wanting a custody change? Can you explain them clearly? The Complete Guide to the Riverside Family Court ; Where is the court located? What types of cases are handled at court? You just do a Request for Order (FL300) and request a change of venue. A sample letter that describes the kinds of things you can ask for is attached to this manual.