Tenn. Code Ann. § 6-51-202: Election

The election provided for in § 6-51-201 , shall be held under an ordinance to be passed for that purpose. A full report of the election shall be spread upon the minutes of the board, if three fourths (3/4) of the voters assent to the contraction, and in the report the metes and bounds of the territory to be excluded must be fully set forth.