(1) A recreational vehicle without motive power that is eight and one-half feet or less in width and is not being used for commercial or business purposes; and
(2) A prefabricated structure that is eight and one-half feet or less in width and that is not being used for commercial or business purposes. [1983 c.338 §104; 1993 c.696 §8; 2003 c.655 §93]