Tennessee Code Title 62. Professions, Businesses and Trades § 62-2-103

(1) Any person engaging in architectural, engineering or landscape architectural work as an employee of a registered architect, registered engineer or registered landscape architect; provided, that such work may not include responsible charge of design or supervision;

(2) Architects, engineers or landscape architects who are not residents of and have no established place of business in this state, who are acting as consulting associates of an architect, engineer or landscape architect registered under this chapter; provided, that the nonresident is qualified for such professional service in the nonresident's own state or country;

(3) Architects, engineers or landscape architects who are employed by a person, firm or corporation not engaged in the practice of architecture, engineering, or landscape architecture and who render architectural, engineering or landscape architectural services to their employer only and not to the general public; and

(4) Architects, engineers or landscape architects who are employed by a municipal electric system or electric and community service cooperative as defined in § 65-34-102 or telephone cooperatives as defined in title 65, chapter 29 and who render architectural, engineering or landscape architectural services pertaining to the operations of their employer and who do not offer their services to the general public in exchange for compensation other than that received from their employer. Nothing in this subdivision (4) shall be construed as exempting any person who makes public use of the title “engineer,” “architect” or “landscape architect” or any appellation of those titles.