Tenn. Code Ann. § 41-22-106: Unlawful sales of coal or coal products

(a) It is unlawful for any coal or coal products mined or produced as a result of inmate labor from the state mines at Petros or any other state-owned property to be sold to anyone other than the state itself for its own consumption or to the political subdivisions of the state. It is further unlawful to ship any of the state coal or transport it from the state mines, except for the use of the state, its political subdivisions or for charitable purposes.

(b) A violation of this section is a Class C misdemeanor.