Tennessee Code Title 55. Motor and Other Vehicles § 55-10-304

The commissioner of safety is empowered in the name of the state to take all steps necessary to enforce the collection and prompt return of all the fines, penalties, and forfeitures of bonds; and the same when so collected shall be credited to the department of safety and used to carry out chapters 8 and 9 of this title, parts 1-5 of this chapter and § 55-12-139.