Tenn. Code § 6-35-411
All city officers or employees receiving, disbursing or responsible for city funds shall be bonded. The council may require any officer or employee to give a bond, approved by and in such amount as the council shall determine. All such bonds shall be corporate surety bonds, and the premiums thereon shall be paid by the city. No such bond shall be issued for a term exceeding four (4) years. No bond required by this section shall be renewed upon its expiration or in the event of the reappointment of any officer or employee to a position for which a bond is required, but a new bond shall be furnished. The resignation, removal, or discharge of any officer or employee of the city shall not, nor shall the election or appointment of another to such officer's or employee's office or employment, exonerate such officer or employee or such officer's or employee's sureties from liability incurred by such officers or employees, or such officer's or employee's sureties.
T.C.A. § 6-35-411