Tennessee Code Title 2. Elections § 2-8-107

(a) The commission shall seal and forward all pollbooks containing the original poll list sheets to the secretary of state within ten (10) days after the election to be stored by the secretary of state for nine (9) years, and shall deposit the pollbooks containing the duplicate poll list sheets in the office of the county clerk to be stored by the county clerk for four (4) years in any secure place.

(b) In computerized counties, the commission shall forward to the secretary of state electronically through the AES computer system a list of the names of all voters who participated in the election, verified as to its accuracy, on or before forty-five (45) days after the election, to be stored by the secretary of state for nine (9) years, and shall deposit the list in the office of the county clerk, either printed or in a CD-ROM format, to be stored by the clerk for six (6) years. The commission shall also forward to the secretary of state the list in a CD-ROM format in the time prescribed by law.

(c) The election commission shall keep on file the voter signature list for six (6) years.