The authorizing person must sign the form and insert the date in the indicated place. Step one: Gather documents that need to be authenticated.Step two: Gather the required items: cover letter, payment, and self-addressed stamped mailer. To file a Request for Review or Appeal of Assessment, the owner of the property must first submit a Letter of Authorization. As the Owner of Record, I authorize the individual(s) named in Section 2 as my true and lawful attorneyinfact for the limited purpose of. Complete Section C to indicate the duration of your consent. After completing the applicable sections of the form, please review and sign Section D, initial the. As the Owner of Record, I authorize the individual(s) named in Section 2 as my true and lawful attorneyinfact for the limited purpose of. : Walk-in to our office to drop off and pick up your request. You and your provider will get a letter when we approve or deny a service.