Tennessee Code Title 48. Corporations and Associations § 48-241-109

(a) RESIGNATION. Unless otherwise provided in an employment contract or an agreement with the LLC, a manager may resign at any time by giving written notice to the LLC. The resignation is effective without acceptance when the notice is delivered to the LLC, unless a later effective date is specified in the notice.

(b) VACANCY. A vacancy in an office because of death, resignation, removal, disqualification, or other cause may, or in the case of a vacancy in the office of chief manager or secretary, must be filled for the unexpired portion of the term in the manner provided in the articles or operating agreement, or, if the LLC is board-managed, as determined by the board of governors, or, if the LLC is member-managed, as determined by the members. If a vacancy will be created by a resignation which is made effective at a later date and the LLC accepts the future effective date, the board of governors of a board-managed LLC or the members of a member-managed LLC may fill the pending vacancy before the effective date if the action provides that the successor does not take office until the effective date.