Tenn. Code Ann. § 10-7-702: Retention schedules

(a) The municipal technical advisory service, a unit of the Institute for Public Service of the University of Tennessee, is authorized to compile and print, in cooperation with the state library and archives, records retention manuals which shall be used as guides by municipal officials in establishing retention schedules for all records created by municipal governments in the state.

(b) Notwithstanding any law to the contrary, the governing body of any municipality may by resolution authorize the disposal of any permanent paper record of the municipality when the record has been photocopied, photostated, filmed, microfilmed, preserved by microphotographic process, or reproduced onto computer or removable computer media, or any appropriate electronic medium, in accordance with § 10-7-121 . Other records of the municipality may be disposed of when the retention period that is prescribed in the retention schedule used by the municipality has expired. For purposes of this subsection (b), disposal includes destruction of the record. A municipality may adopt reasonable rules and policies relative to the making, filing, storing, exhibiting, copying and disposal of municipal records.