In this article, we will discuss how to write a formal letter to a judge, along with the proper format and a sample letter. Writing a character letter for a judge can be a daunting task.Here are nine essential tips for writing an effective sentencing letter. Whatever the name is you want to make sure that that's all out there. Make sure it's a full name. "Learn how to craft an effective character reference letter for court proceedings with our comprehensive guide. The letter should include the name of the court your case was filed in and the case number at the top right. Put the caption (St. v. Your Honor, I am writing you concerning my sentencing hearing. I understand that I have made a decision that will impact my entire life.