As you can see, the bank letter example above has all of the required components (date, name of bank, account name, account number, routing number). Edit, sign, and share bank confirmation form online.No need to install software, just go to DocHub, and sign up instantly and for free. The letter must express: • The date when it was written. A Bank Confirmation Letter gives an Executor the ability to locate assets which the Executor did not have prior knowledge. A Bank Confirmation Letter gives an Executor the ability to locate assets which the Executor did not have prior knowledge. Some people lose the CP 575 EIN Confirmation Letter and need an official copy of their LLC's EIN Number for things like opening an LLC bank account. They should be glad when the bank follows up with a verification, rather than put out. Dear Ms. Linda M. Foster,. I am writing to formally verify the identity of Mr. Kevin L. Barnes, who has presented himself before me, Derek H.