Tennessee Code Title 68. Health, Safety and Environmental Protection § 68-126-303

(1) “Approved inspection agency” means a person, organization or local government approved by the commissioner to be especially qualified by reason of facilities, personnel, experience, and demonstrated reliability, to investigate, test, evaluate and inspect modular building units, systems, or the component parts of modular building units together with the plans, specifications, and quality control procedures to ensure that such units, systems, or component parts are in full compliance with the standards adopted by the commissioner pursuant to this part and to label such units complying with those standards. Any person, or any organization whose membership is composed of persons, employed by a manufacturer of modular units or owning any interest in any such manufacturing business, shall be ineligible for approval by the commissioner to serve as an inspection agency;

(2) “Commissioner” means the commissioner of commerce and insurance;

(3) “Component” means any assembly, sub-assembly, or combination of elements for use as a part of a modular building unit, which may include the structural, electrical, mechanical, plumbing, fire protection, or other structurally integrated system or systems thereof affecting life safety;

(4) “Department” means the department of commerce and insurance;

(5) “Guard shelter” means a structure used exclusively for the purpose of providing shelter for no more than two (2) persons who are watching over or protecting a person or place or supervising prisoners;

(6) “Installation” means the assembly of modular building units on-site and/or the process of affixing modular building-related components to land, a foundation, footings, utilities, or an existing building;

(7) “Local government” means any political subdivision of this state with authority to establish standards and requirements applicable to the construction, installation, alteration and repairs of buildings;

(8) “Modular building unit” means a structural unit, or preassembled component unit, including the necessary electrical, plumbing, heating, ventilating and other service systems, manufactured off-site and transported to the point of use for installation or erection, with or without other specified components, as a finished building. “Modular building unit” does not apply to temporary structures used exclusively for construction purposes, nonresidential farm buildings, or ready-removables that are not modular structures;

(9) “Ready-removable” means a structure without any foundation, footings, or other support mechanisms that allow a structure to be easily relocated but which may include electrical wiring. Ready-removable structures include, but are not limited to, stadium press boxes, guard shelters, or structures that contain only electrical, electronic, or mechanical equipment that are solely occupied for service or maintenance of such equipment; and

(10) “Structure” means any building or improvement and its components, systems, fixtures, and appurtenances at the time of completion or construction.