Looking for local rules and forms? Also fill out the certificate of service with the date on which you intend to mail a copy to the opposing side and sign it.The certificate of service is. You should read through the entire packet before filling out any forms. Use our free Small Claims Demand Letter template to file a complaint with the Small Claims court. This booklet is a guide to help you handle your own case in Small Claims Court. The example reflected below is a typical motion in the appellate court. You must complete the entire process. You will open the new civil case and file your initial document.