What do you write in a death notice? Sample Letter to Bank Informing the Death of the Account Holder.The death claim letter should be written in the formal letter format. This is to notify the bank that my. (Relationship with deceased). Send the completed form to your local SSA office. Once a potential creditor has been notified of the death, the creditor has 120 days to present a bill to the estate for payment. Do you need to find an executor checklist for what to do when someone passes away in Arizona? Click here to see our recommendations. A funeral home or other similar agency has up to 7 days to submit complete and accurate information regarding a death in our county.