In most cases, only the personal representative of a deceased person's estate can access the deceased accounts at a financial institution. How do I add a beneficiary to my bank account?An original death certificate. An estimate of the estate's value. The beneficiary simply has to present a valid death certificate and proof of identity to claim their inheritance. Notify Bank of America. We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. Once you submit your request system will give you detailed information about documents required, fees, and link to apply for Misc. Service Application form. We'll need a photocopy of the death certificate to verify the identity and legal residence of your loved one as well as confirm date of death.