Contact your bank for a power of attorney form. The authorization letter must contain all the stipulation in the agreement including the powers, tasks, as well as limitation of the proxy.Get Free printable Blank Authorization Letter for various purpose like Claim, for the child, Collecting Documents, writing tips, format. Enter the verification information requested below and your transaction will be processed within our business hours of am to pm. Use this letter to tell a company that you are taking away your permission for the company to take automatic payments out of your bank account. Sample Authorization Letter to Open an FRG Checking Account. Types of payment arrangements are listed below. Your account number is provided with the loan details in the welcome letter that you receive in the mail after your new loan is funded. Thank you for your interest in the Montgomery County Homebuyers Program. For example, you may need a death certificate to claim a benefit.