(1) Regulations adopted under this part may not treat manufactured housing or factory-built housing units different from any other residential units.
(2) In a proceeding for a permit or variance to place manufactured housing or factory-built housing within a residential zoning district, there is a rebuttable presumption that placement of a manufactured home or factory-built home will not adversely affect property values of conventional housing.
(3) As used in this part, "factory-built housing" means a factory-assembled structure intended for residential use that:
(a) is equipped with the necessary service connections but not made to be readily movable as a unit or units;
(b) is designed to be used with a permanent foundation; and
(c) is not certified by the United States department of housing and urban development but meets the inspection requirement of Title 50, chapter 60, part 4.