Copies of the request for a trial de novo must be served on all parties and the request and a proof of service must be filed with the clerk. Simply put, you are asking that the trial de novo be continued at a later date.Send Your Trial De Novo Request Via Certified Mail. Send your motion for trial de novo via certified mail, return receipt requested. This form must be filed within sixty days of the arbitrator's award, or the award will become the final judgment in the case. For you to file for trial de novo, you will have to use the form TR220. Any party may request a trial de novo, which will take place as though there were no arbitration. (b) Notice of Trial De Novo. A party requesting trial de novo must file the Request for Trial. Either party may reject the non-binding award or decision and request a trial de novo.