Sec. 3.5. (a) As used in this chapter, "model home" means a new dwelling that is used for the first time after construction as:
(1) a model;
(2) a sales office;
(3) a design center; or
(4) any combination of subdivisions (1) through (3).
(b) After June 30, 2023, the term does not include a mobile home, a manufactured home, or an industrialized residential structure.