Tenn. Code Ann. § 48-241-106

If the LLC is board-managed, in the absence of an election or appointment of managers by the board of governors, or if the LLC is member-managed in the absence of an election or appointment of managers by the members, then the person or persons exercising the principal functions of the chief manager or the secretary are considered to have been elected to those offices, except for the purpose of determining the location of the principal executive office, which in that case is the registered office of the LLC.