A death claim application letter for a bank is basically a letter to the bank stating that the account holder has been deceased. Start the letter with your introduction and the reason for writing the letter.This is to notify the bank that my. (Relationship with deceased). The sender's and the receiver's addresses should be mentioned in the death claim letter format for bank properly. Enter the 6 letters or numbers shown within the image above. Letters are not case-sensitive. You can submit this form and supporting documentation via fax to 1-866-336-8352, or send it to your local BWC customer service office. How do I write a request letter to the court for submitting the bank statement to my wife? To close a bank account on behalf of someone who has passed away, you must have legal authority to manage the account.