Tenn. Code § 7-37-106
The construction, acquisition, reconstruction, improvement, betterment, or extension of any industrial buildings may be authorized under this chapter, and bonds may be authorized to be issued under this chapter to provide funds for such purpose or purposes or for the refunding of bonds theretofore issued under this chapter, by resolution or resolutions of the governing body, which may be adopted at the same meeting at which the bonds are introduced by a majority of all the members of the governing body then in office, and shall take effect immediately upon adoption. The bonds shall bear interest at such rate or rates, payable semiannually, may be in one (1) or more series, may bear such date or dates, may mature at such time or times not exceeding forty (40) years from their respective dates, may be payable in such medium of payment at such place or places, may carry such registration privileges, may be subject to such terms of redemption, may be executed in such manner, may contain such terms, covenants, and conditions, and may be in such form, coupon or registered, as such resolution or subsequent resolutions may provide.
T.C.A. § 7-37-106