Tennessee Code Title 49. Education § 49-9-105

(b)(1) The board of trustees of the University of Tennessee may classify a student as a Tennessee resident and charge the student in-state tuition, if the student is a citizen of the United States, has resided in Tennessee for at least one (1) year immediately prior to admission and has:

(2) Subdivision (b)(1) shall not be construed to limit the authority of the board of trustees under subsection (a) to establish other reasonable and appropriate rules and regulations defining additional categories of residents.