Tennessee Code Title 6. Cities and Towns § 6-51-122

(1)(A) From April 15, 2013, through April 15, 2014, no municipality shall extend its corporate limits by means of annexation by ordinance upon the municipality's own initiative, pursuant to § 6-51-102, in order to annex territory being used primarily for residential or agricultural purposes; and no such ordinance to annex such territory shall become operative during such period, except as otherwise permitted pursuant to subdivision (a)(1)(B);

(B) If, prior to April 15, 2013, a municipality formally initiated an annexation ordinance restricted by subdivision (a)(1)(A); and if the municipality would suffer substantial and demonstrable financial injury if such ordinance does not become operative prior to April 15, 2014; then, upon petition by the municipality submitted prior to April 15, 2014, the county legislative body may, by a majority vote of its membership, waive the restrictions imposed on such ordinance by subdivision (a)(1)(A); and

(2)(A) From April 15, 2014, through May 15, 2015, no municipality shall extend its corporate limits by means of annexation by ordinance, pursuant to § 6-51-102, or by resolution, pursuant to §§ 6-51-104 and 6-51-105; and no annexation shall become operative during such period, unless otherwise permitted pursuant to subdivision (a)(1)(B), (a)(2)(B), or § 6-58-118, or unless the owner or owners of the property give written consent for the annexation;

(B) If, prior to April 15, 2014, a municipality formally acted upon an annexation ordinance or resolution restricted by subdivision (a)(2)(A); and if the municipality would suffer substantial and demonstrable financial injury if such ordinance or resolution does not become operative prior to May 15, 2015; then, upon petition by the municipality submitted prior to May 15, 2015, the county legislative body may, by a majority vote of its membership, waive the restrictions imposed on such ordinance or resolution by subdivision (a)(2)(A).