How Can I Access a Deceased Person's Bank Account? A death claim application letter for a bank is basically a letter to the bank stating that the account holder has been deceased.How do i write a letter for next of kin (father) who is willing to give up his rights to heir in son inheirtance? To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account. This is to notify the bank that my. (Relationship with deceased). In order to release money from a bank account, you can take a copy of the death certificate and a copy of the funeral bill to the bank. When the account owner dies, the funds in the account pass to the beneficiary(ies). It is often necessary that the property and financial affairs of a deceased person be supervised through a court process. The Life and Posthumous Writings of William Cowper, Esqr.