How To Write A Demand Letter Car Accident . Use a reporting style when detailing the information. Traffic accident (demand for payment) letter. Demand Letter Templates 11+ Free Word, PDF, Google Docs, Apple Pages from www.template.net For more guidance, see our sample car accident settlement demand letter section , where you. 3) include an explanation of why the other party (accused) should be held legally responsible for the damage and injuries caused. I hope to hear from you in the next 12 days.