Edit, sign, and share sample letter to close trust account online. No need to install software, just go to DocHub, and sign up instantly and for free.This set provides coverage of every aspect of probate law and estate and trust administration in Texas. It includes sample forms and letters. The Texas Trust Code5 and the Texas Estates Code6 allow a beneficiary to demand a formal accounting from the trustee or executor. You would write a demand letter requesting an accounting, and a copy of the trust if you don't already have that. San Antonio 1975, writ ref'd n.r.e.)). Write a letter to the trustee of the trust and have it delivered certified mail. Texas laws governing probate are primarily in the Texas Estates Code. Working with a probate litigation attorney does not mean that you will end up in litigation.