One thing for sure is that the bank will want to know the specific reasons for the removal request as the next-to-kin. Notify Bank of America.We'll ask you for the deceased customer's full legal name and Social Security number to identify their accounts. You'll need the person's Social Security number and certified copies of their death certificate for most agencies and programs. Social Security and Medicare. Next of kin is usually defined as a person's closest living relative: it's someone who may have inheritance rights and obligations. You should submit the original copy with your application for the Letters of Administration. The next step in the process is to list out and notify relatives. 2. Gather required documents. Relatives are not responsible for the deceased member's debt, unless they co-signed for a loan, credit card, have joint ownership of a property or business.