The Central Sierra Child Support Agency is a regional agency which represents the counties of Alpine, Amador, and Calaveras. This office does not charge for its services. Any custodial or non-custodial party may request that the Central Sierra Child Support Agency aid in collecting the court ordered support. You are eligible regardless of whether or not you are receiving Temporary Assistance to Needy Families (TANF). To open a case, you should contact the office in your county to set up an appointment to apply for services.