If you've been asked to write to the judge, use our sample character reference letter and fill-in-the-blank template. What's a character reference letter?Everything you need to write a declaration letter to the judge in your custody case: an example, a downloadable template, an outline and tips. Writing a character letter for a judge can be a daunting task. Here are nine essential tips for writing an effective sentencing letter. In the first paragraph, state how you know the person and attest to their character. This concise introduction delves into how a compelling reference letter can significantly sway the results of a child custody home study. A character reference letter for court child custody is a legal document serving as the recommendation for a parent who wishes to become a guardian. A character reference letter can make a difference in a child custody case. It provides evidence of your parenting abilities.