Tennessee Code Title 7. Consolidated Governments and Local Governmental Functions and Entities § 7-88-105

A tourism development zone shall not extend farther than one (1) mile from the outer perimeter of a qualified public use facility; provided, however, that if the department of finance and administration determines that the geographical configuration of a municipality requires an unusually shaped tourism development zone, such zone may extend farther than one (1) mile from the outer perimeter of a qualified public use facility, except that the size of the tourism development zone shall not exceed three square miles (3 sq. mi.).