Tenn. Code Ann. § 67-3-910: Federal reservations - Application of petroleum products and alternative fuels taxes

(a) Under the terms of the cession of jurisdiction to the United States by this state, the right is reserved to this state to tax sales of and privileges of dealing in petroleum products and alternative fuels used in the operation of motor vehicles within the limits of the Great Smoky Mountains National Park that is within the boundaries of this state.

(b) The right is reserved to this state to tax sales of and privileges of dealing in petroleum products and alternative fuels in operation of motor vehicles within limits of any reservation or preserve within the boundaries of this state.