Setting one up or adding a beneficiary is a simple matter of requesting the Payable on Death form from your bank. Book. A valid governmentissued ID. The death certificate of the account holder.The account owner's social security number. To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. Please provide the name (printed), signature, date and phone number of the person completing the C-5. Supporting documentation for death benefits. • Or mail them to us at the Ohio Department of Commerce, Division of Unclaimed Funds. These instructions are provided as a public service of the Butler County Probate Court, and are intended as a guideline only. Download Ohio Affidavit of Death template, modify and send for signing using BoloForms Signature. You should produce the concerned Bank branch the death certificate from municipal authority as proof of that persons demise.