Before Direct Deposit is established, the employee must complete all applicable fields on the GAO-65 (Authorization for a Direct Deposit or Payroll Deduction). A direct deposit authorization form authorizes a third party, usually an employer for payroll, to send money to a bank account.Ensure that Recipient Template is set to All Direct Deposit Recipients to begin. 2. Fill in the details for your new template. A Direct Deposit Authorization is a document or form that allows an individual or organization to authorize the direct deposit of funds into their bank account. A prenote sends your account type, bank ID and account number to the bank to assure the accuracy of the numbers. Add accounts and complete the requested fields. To sign up for direct deposit, complete the application form on the next page. The form is interactive—you can complete it on your PC and print it. To set up direct deposit, provide this completed form to your employer's payroll department.