I also authorize the Town of Palm Beach and. Mention your name and a short description of who you are.Empower a trusted representative with an Authorization Letter. Make a free Authorization Letter in minutes with our customizable template. Free Authorization Letter for Bank Statement Template. Complete the Department of State's Apostille and Notarial Certificate Request Form. Enclose the document to be authenticated or certified. Contact your bank for a power of attorney form. Complete the Department of State's Apostille and Notarial Certificate Request Form. Enclose the document to be authenticated or certified.