Tennessee Code Title 4. State Government § 4-4-105

(b) Whenever the pressure of business so demands and in cases of emergency, the commissioner in any department is authorized to direct that such personnel as may be required in any particular office shall be on duty, in which event the personnel performing such additional duties shall be entitled to equivalent time off at other times during the week.

(c) Subsections (a) and (b) shall not apply to the uniformed members of the departments of safety or revenue; or to the game wardens or conservation officers charged with the enforcement of the fish and game laws; or to the employees of the department of transportation with the job title of highway response operator 1, highway response operator 2, highway response operator supervisor 1, highway response operator supervisor 2, communications dispatcher 1, communications dispatcher 2, transportation management center operator, transportation management center supervisor 1, transportation management center supervisor 2; or to any members or employees of the departments of correction or children's services, except administrative officials. Nor shall subsections (a) and (b) apply to employees and officials of hospitals or institutions, regardless of the department by which operated.

(d) Any commissioned employee of the department of safety who is required to be on duty on any legal holiday shall be entitled to payment in addition to such employee's normal compensation. Payment shall be made in an amount recommended by the commissioner of safety, authorized in advance by the commissioner of human resources, and approved in advance by the commissioner of finance and administration. This subsection (d) shall not apply to any employee with a commission or rank of captain and above, except a captain over a division.