In accordance with Local Rule. In the disengagement letter, the lawyer should warn the client of applicable time limitations, deadlines, and uncompleted investigation or casework.It has been a pleasure to represent you for the past (time period) in (identify the legal matter). An end of representation letter serves as a professional and ethical marker to indicate the end of a specific attorney-client relationship. During the past _____ months, we have served as your counsel in the. litigation. Sometimes, an attorney must withdraw from representation. This must be done in a way that does not prejudice the client. Write your memo in the following format: To: Supervising Attorney (put name). Be Clear: Be direct and get straight to the point. Clearly state that you are terminating the attorney and briefly state the reasons why.