Tennessee Code Title 41. Correctional Institutions and Inmates § 41-21-1001

(1) “Board” means the inmate disciplinary oversight board;

(2) “Commissioner” means the commissioner of correction;

(3) “Department” means the department of correction;

(4) “Executive director” means the officer employed by the board as the chief administrative officer of the agency; and

(5) “Sentence credits” means any credit, whether called that or not, that results in a reduction of the amount of time an inmate must serve on the original sentence or sentences.