If you believe you or the other party have had a change of circumstances and a modification of the court order is needed, please contact us. This document is a sample form letter designed for individuals seeking a downward modification of their child support obligations.With this service you will be able to submit completed forms electronically to the Contra Costa County Department of Child Support Services. Download a free child support modification form to propose changes to a current child support agreement. Available in PDF or Word format. Click here to apply for an initial CCW permit, renew a CCW permit, modify an existing permit, or to obtain a duplicate of an existing permit. Plus, we know what to look out for and what documentation to file when preparing child custody modification forms. Each Contra Costa County Change Court has their own rules for filing and completing a name change case for a child (or children). Do you know how to find out if you are a beneficiary on a bank account?