1. Place your name and address on the top left side of the page. Follow the standard format of a business letter.Here are some free Letter Templates for just this type of document. These are some of the handiest examples available for free online. Reminder: Exemptions appear on your second installment tax bill issued in the summer. To learn more about how the property tax system works, click here. This is typically done in the form of a Process Authority Letter. Ensure that you specify the item or document being claimed. "Unprocessed Application" Letter. (iii) give permission for medical tests, medicines, surgery, or other treatments.