Example scenarios for terminating your attorneyclient relationship. Includes a sample termination letter form.A disengagement letter serves to make clear that a client has ceased to be a current client for conflict of interest analysis. Advise Client in writing of Withdrawing Attorneys' intentions regarding attorney fee liens. 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 letter should confirm that if the client seeks further representation, the attorney must first agree to that representation. In accordance with Local Rule. Need to write an attorney closing letter to clients? The lawyer should send a disengagement letter to establish that the relationship is no longer continuing, and to refer the client to another lawyer.