In this article, we'll explain when and how you should terminate your lawyer-client relationship. We'll even provide a sample termination letter.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. This sample pleading is for informational purposes only. Handling the Attorney-Client Relationship: Learn about the attorney-client relationship and the factors that may necessitate termination. An end of representation letter serves as a professional and ethical marker to indicate the end of a specific attorney-client relationship.