Upon the filing of a petition purporting to contain the requisite number of signatures, or upon the adoption of a resolution by the governing body, the governing body shall order a public hearing to determine whether such central business improvement district shall be established. Such hearing shall be not less than thirty (30) nor more than forty-five (45) days following the adoption of the resolution by the governing body or following the filing of the petition with the governing body.
T.C.A. § 7-84-204