Need to write an attorney closing letter to clients? We wish to take this opportunity to thank you for allowing us to represent you.In this article, we will cover the importance of sending a closing letter, what your firm should include in each letter, and a written example for reference. This set provides coverage of every aspect of probate law and estate and trust administration in Texas. It includes sample forms and letters. Find tips to improve your search results, including checking spelling, trying different or more general terms, and using menus to navigate. A client trust account is a special type of bank account where a lawyer holds money on behalf of a client. Forms and Templates. The Harris County Robert W. Hainsworth Law Library provides you with the links below to assist you in locating forms. Harris County District Clerk - A range of forms are available, including for family, child support, civil, Texas Supreme Court, and others.