Tennessee Code Title 13. Public Planning and Housing § 13-7-118

(a) This section applies to any county in the state that either is in an early action compact or is in nonattainment for air quality according to the environmental protection agency as of April 15, 2004.

(b) Any county that qualifies under subsection (a) and whose population according to the 2000 federal census was sixty thousand (60,000) or more and the county as of April 15, 2004, did not have a land use plan, shall adopt a land use plan which states that air quality issues will be considered as part of the county-wide land use plans.