Next of Kin Letter is a document used to confirm who is the closes relative of the deceased that are still living. One thing for sure is that the bank will want to know the specific reasons for the removal request as the next-to-kin.To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. North Carolina Department of Revenue at 1-877-252-3052. Closing a bank account when someone passes away isn't difficult, as long as you have the right paperwork for the the teller or banker. Without a will, your next of kin may inherit your assets when you die. From there, we'll gather any documentation needed, make account changes and complete a funds disbursement. Wells Fargo Bank N.A.. Case Management Attention: D1118-02D 12301 Vance Davis Drive Charlotte, NC 28269-7699.