Tenn. Code Ann. § 68-104-108: Permissible fireworks.

It is unlawful for any individual, firm, partnership or corporation to possess, sell or use within this state, or ship into this state, except as provided in this chapter, any pyrotechnics commonly known as fireworks, other than the following permissible items:

(1) Those items classified as D.O.T. Class C common fireworks; or

(2) Those items that comply with the construction, chemical composition and labeling regulations promulgated by the United States consumer product safety commission and permitted for use by the general public under its regulations.