How Can I Access a Deceased Person's Bank Account? No letters of office are now outstanding on the decedent's estate, and no petition for letters is contemplated or pending in Illinois or in any other.General rule: "In most cases, you cannot personally cash a check made out in your deceased husband's name. It is often necessary that the property and financial affairs of a deceased person be supervised through a court process. This is to notify the bank that my. (Relationship with deceased). A decedent's estate is the property and assets of a deceased person. The term "decedent" is used in legal terms related to estates and trusts. Thus, when seeking to locate the deceased person's important documents, make sure to obtain the necessary bank records, policy statements, titles, deeds, etc. DESIGNATION OF BENEFICIARIES; CHANGE IN BENEFICIARIES: The Account Holder must complete the Beneficiary designation on page 1 of this Agreement.