Tenn. R. Civ. P. 25.03
As amended through January 18, 2024
In case of any transfer of interest the action may proceed by or against the original party, unless the court upon motion directs the person to whom the interest is transferred to be substituted in the action or joined with the original party. Service of the motion shall be made as provided in Rule 25.01.
Tenn. R. Civ. P. 25.03