In accordance with Local Rule. Counsel may not withdraw within 30 days of trial without leave of court.In this article, we'll explain when and how you should terminate your lawyer-client relationship. We'll even provide a sample termination letter. The answer to this question lies in the written fee agreement and ethics rules. A disengagement letter serves to make clear that a client has ceased to be a current client for conflict of interest analysis. An end of representation letter serves as a professional and ethical marker to indicate the end of a specific attorney-client relationship. Respond to a "motion to withdraw" made to the judge from an attorney who is representing a divorce client a month before that final hearing. Notify of attorney's right to terminate the representation. B. Engagement Letters in Estate Administration Matters5. 1.