Use this handy court letter template to ensure your letter includes all the essential information and successfully conveys your message. Learn how to write a demand letter, what to include in a demand letter, and view demand letter templates, before taking someone to court.I would specifically request that a copy of my client's drivers abstract and criminal history be included. Please maintain my client on his current bail status. In the subject line, include the case name or number for reference. As a Marriage and Family. In this article, we discuss how to write a demand letter, what to include in a demand letter, and provide demand letter templates. If your summons includes a jury number or other reference number, include that in your introduction as well as the subject line of your letter.