Tennessee Code Title 4. State Government § 4-4-121

(a) Smoking shall be prohibited in all buildings that are owned or operated by the state, except for those sleeping rooms in state park inns, cabins that are designated as smoking rooms or cabins, and as provided by § 49-7-135. It is the intent of the general assembly that all buildings that are owned or operated by the state, other than sleeping rooms in state park inns, cabins designated for smoking, and as provided by § 49-7-135, shall be completely smoke-free.

(b) Smoking shall be prohibited in all motor vehicles that are owned, leased, or operated by the state. It is the intent of the general assembly that all motor vehicles that are owned, leased, or operated by the state shall be completely smoke-free.