Tennessee Code Title 58. Military Affairs, Emergencies and Civil Defense § 58-2-103

(1) Create a state emergency management agency to be known as the “Tennessee emergency management agency” (TEMA), to authorize the creation of local organizations for emergency management in the political subdivisions of the state, and to authorize cooperation with the federal government and the governments of other states;

(2) Confer upon the governor, TEMA, and the governing body of each political subdivision of the state the emergency powers provided herein;

(3) Provide for the rendering of mutual aid among the political subdivisions of the state, with other states, and with the federal government with respect to carrying out all emergency management functions and responsibilities;

(4) Authorize the establishment of such organizations and the development and employment of such measures as are necessary and appropriate to carry out this chapter; and

(5) Provide the means to assist in the prevention or mitigation of emergencies which may be caused or aggravated by inadequate planning for, and regulation of, public and private facilities and land use, not to exclude flood plain management.