A. Enter the name and address of the financial institution authorized to conduct transaction. Complete Section 2 if you are changing your banking information.If a bank letter is submitted it must include the name on the account, type of account, routing number, and account number. Fill out a Direct Deposit Form. A bank letter is an official document from your bank that provides important information about your business' official bank account. DIRECT DEPOSIT TO BANK ACCOUNT (REQUIRED) (Choose one type of account.) 1. Check with your employer's payroll office, you may be able to set up your direct deposit through an online portal. If not: Complete a direct deposit form. The quickest way to sign up for direct deposit – or change it – is to ask your employer for their direct deposit form, then fill it out using your new account.