Tennessee Code Title 70. Wildlife Resources § 70-4-110

(a)(1) It is unlawful for any person, or one (1) or more of a group of persons together, to willfully throw or cast, or cause to be thrown or cast, the rays of a spotlight, headlight, or other artificial light from any motor vehicle or vessel or with the aid of any motor vehicle or vessel, on or from any highway, or in any field, woodland, or forest, or the waters of the state, in an apparent attempt or intent to locate deer by the use of such light, unless such person or persons direct such light onto property owned by such person or one of the persons involved, or such person or group of persons has written permission from the landowner to willfully throw or cast, or cause to be thrown or cast, the rays of a spotlight, headlight, or other artificial light onto the property of the landowner. Such written permission must be in immediate possession at all times and the individual shall display same upon demand of law enforcement.

(2) Notwithstanding subdivision (a)(1), it is unlawful to willfully throw or cast, or cause to be thrown or cast, the rays of a spotlight, headlight, or other artificial light from any motor vehicle or vessel or with the aid of any motor vehicle or vessel, at any time from or on any public roadway.