Fill out the Statement of Registration of California Support Order (FL-440) and attach a filed copy of the support order or income withholding order. Fillable forms are available for download in multiple languages from the California DCSS to apply for services and other child support-related topics.1 Video chat available Monday through Friday 8 am to pm. With this service you will be able to submit completed forms electronically to the Contra Costa County Department of Child Support Services. Unfortunately, efiling of motions in Contra Costa Superior Court is not directly available for individuals and nonregistered attorneys. If he won't sign, make a motion to the judge. And better still, get a lawyer to help you. You can always attach FL-341 and then state on the form "See attached Marital Settlement Agreement incorporated herein" (or some kind of similar language). For help with a legal problem involving Housing, Public Benefits, or Consumer Law, please call our Legal Advice Line for assistance. The forms are listed on the page under "Resources" as CARE 100 – Petition to Commence Care Act Proceedings and CARE 100- Mental Health Declaration.