How To Write A Letter Pleading Not Guilty . Be very clear about how you are pleading. If you have received a court attendance notice (can), in some cases you may be able to plead guilty in writing instead of going to court. How to Write a Letter Pleading Not Guilty 15 Steps from www.wikihow.com In which case, your letter must contain the following: If you use a written notice of pleading to plead not guilty, you will need to include the following: Posted on jul 15, 2018.