Tennessee Code Title 66. Property § 66-27-410

(a) If only one (1) of the multiple owners of a unit is present at a meeting of the association, that owner is entitled to cast all the votes allocated to that unit. If more than one (1) of the multiple owners are present, the votes allocated to that unit may be cast only in accordance with the agreement of a majority in interest of the multiple owners, unless the declaration expressly provides otherwise. There is majority agreement if any one (1) of the multiple owners casts the votes allocated to that unit without protest being made promptly to the person presiding over the meeting by any of the other owners of the unit.

(b) Votes allocated to a unit may be cast pursuant to proxy duly executed by a unit owner. If a unit is owned by more than one (1) person, each owner of the unit may vote or register protest to the casting of votes by the other owners of the unit through a duly executed proxy. A unit owner may not revoke a proxy given pursuant to this section, except by actual notice of revocation to the person presiding over a meeting of the association. A proxy is void if it is not dated or purports to be revocable without notice. The duration of a proxy is governed by the Tennessee Nonprofit Corporation Act, compiled in title 48, chapters 51-68, including, without limitation, § 48-57-205.

(c) If the declaration requires that votes on specified matters affecting the condominium be cast by lessees rather than unit owners of leased units:

(d) No votes allocated to a unit owned by the association may be cast.