An Affidavit of this nature allows a bank or credit union in Florida to pay a qualified family member the funds in the decedent's bank accounts. To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account.Notify Bank of America. We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. One thing for sure is that the bank will want to know the specific reasons for the removal request as the next-to-kin. Also, if your name is written on a power of attorney document besides being named in the bank account as the next to kin. One of the most important documents you'll need as next of kin or executor is the death certificate. Examples of assets or property that may be probate assets may include: A bank account or investment account in the sole name of a decedent is a probate asset. Setting this up will allow your loved ones to receive your account's funds without waiting for the tiring and often complicated probate process to be complete. All that has to be done is to take a death certificate to the bank and fill out some paperwork.