An estate closing letter to beneficiaries is a crucial document in the process of settling an estate after someone has passed away. The following is a list of interactive forms.These forms should be downloaded and completed on your device and printed. File Petition to Probate the Estate. Determine if you have a small or regular estate, as the forms and timelines differ for each. Most states impose a fiduciary duty on trustees of irrevocable trusts to inform and report to the beneficiaries regarding the trust accounts and administration. The Trustee should send each beneficiary with a Trustee Notice of Planned Distribution at least 15 to 30 days prior to executing the distribution. Upon a qualified beneficiary's request, provide a trustee's report annually, at trust termination and upon a complete vacancy in the office of the trustee. The petition may also seek financial damages from the trustee. This brochure will be useful to you in answering general questions on how to proceed with the administration of an estate.