Tennessee Code Title 66. Property § 66-27-409

(a) Unless the bylaws provide otherwise, a quorum is present throughout any meeting of the association if persons entitled to cast twenty percent (20%) of the votes that may be cast for election of the board of directors are present in person or by proxy at the beginning of the meeting.

(b) Unless the bylaws specify a larger percentage, a quorum is deemed present throughout any meeting of the board of directors if persons entitled to cast fifty percent (50%) of the votes on that board are present at the beginning of the meeting.

(c) Attendance at a meeting may be in person, by telephone, or by any other means specified in the bylaws. Attendance at a meeting of the association may also be by proxy.