Tenn. Code Ann. § 13-20-117: Authority membership in metropolitan cities and counties

(a) In any city or county with a metropolitan form of government, the membership of the housing authority shall be increased by two (2) additional members, which additional members shall be residents of low-rent public housing or housing projects.

(b) One (1) of the commissioners authorized pursuant to § 13-20-408 of any housing authority in any county having a population of not less than three hundred nineteen thousand six hundred twenty-five (319,625) nor more than three hundred nineteen thousand seven hundred twenty-five (319,725), according to the 1980 federal census or any subsequent federal census, shall be a resident of low-rent public housing or a housing project to be appointed by the mayor of the municipality creating such authority for a term of two (2) years, notwithstanding § 13-20-408 . The first resident appointment shall be made to fill the first expired term of a commissioner occurring after March 17, 1988.