Form IN-1808InvestTennessee Exemption Notice Form[PDF] is an exemption notice form issued by the Tennessee Department of Revenue. It is used by non-profit organizations and public entities that are exempt from paying sales and use taxes in the state of Tennessee. The form must be completed in order to qualify for an exemption. There are three types of Form IN-1808InvestTennessee Exemption Notice Form[PDF]: 1) Certificate of Exemption for Charitable, Religious, and Educational Organizations; 2) Certificate of Exemption for Governmental Agencies; and 3) Certificate of Exemption for Qualified Purchasers. The form requires the applicant to provide information about the organization or entity, the purpose of the exemption, and the type of exemption being requested. Once completed, the form should be submitted to the Tennessee Department of Revenue for processing.