An estate closing letter to beneficiaries is a crucial document in the process of settling an estate after someone has passed away. Below is a sample letter of wishes that can be sent to the trustees or to the administrators of your trust.The Florida Trust Code requires all trustees to keep the qualified beneficiaries of the trust reasonably informed of the trust and its administration. I need a sample letter to request a formal accounting of an estate and of a trust that I am very confident the trustee. (c)Closing Estate; Extension. The final accounting and petition for discharge shall be filed and served on interested persons within 12 months. Learn how to write an inheritance sample letter to beneficiary with distribution details. Discover templates, examples, and a step-by-step guide.