Tennessee Code Title 40. Criminal Procedure § 40-38-605

(a) A program participant shall notify the office of the secretary of state of any change in the participant's residence address and application information within thirty (30) days after any change has occurred by submitting a notice of change to the office of the secretary of state on a form prescribed by the secretary of state. If registered to vote, the applicant shall also complete a change of address form for voter registration purposes.

(b) The certification of a program participant shall be valid for four (4) years after the date of the filing of the application for the program participant, unless the certification is withdrawn or invalidated before the end of that four-year period.

(c) A program participant who continues to be eligible to participate in the program may renew the program participant's certification by submitting a renewal application to the secretary of state with the assistance of an application assistant. The renewal application shall be on a form prescribed by the secretary of state and shall contain all of the information described in § 40-38-604.

(d) When a program participant renews the program participant's certification, the program participant shall continue to use the program participant's original program participant identification number and substitute address.