Tennessee Code Title 4. State Government § 4-4-117

(a) Notwithstanding the rights, powers and duties that have heretofore been vested in or exercised by any officer, board, commission, department, or other agency of state government to the contrary, the governor has the authority and is hereby empowered to transfer any functions exercised with respect to any joint federal-state programs between the departments, agencies, commissions or boards, whenever such transfers will facilitate the operation of governmental programs or where such transfers are desirable to meet the changes in federal statutes.

(b) The governor has the authority and is hereby authorized to assign or reassign responsibility for any joint federal-state programs hereafter established to any state department, agency, commission or board created under the statutes of the state not inconsistent with the executive order or congressional enactment for the administration of such programs.