In accordance with Local Rule. A disengagement letter serves to make clear that a client has ceased to be a current client for conflict of interest analysis.Be Clear: Be direct and get straight to the point. Clearly state that you are terminating the attorney and briefly state the reasons why. We believe the court will grant our request for leave to withdraw from your case. An end of representation letter serves as a professional and ethical marker to indicate the end of a specific attorney-client relationship. Generally, an attorney should send a closing letter to confirm that the representation has terminated and to thank the client for their business. There are only two ways an attorney can withdraw from a civil case. One way is to get the client to voluntarily sign a Substitution of Attorney form.