Tenn. Code Ann. § 62-5-102

Nothing in this chapter shall be constituted to prevent or interfere with the ceremonies, customs, religious rites or religion of any people, denomination or sect, to prevent or interfere with any religious denomination, sect or any body composed of persons of a denomination, or to prevent or interfere with any church or synagogue from having its committee or committees prepare human bodies for burial or to the families, friends or neighbors of deceased persons who prepare and bury their dead without charge.