The statement required by this subdivision must include a reference to any data, studies, or analyses relied upon by the agency in determining that the imposition of the requirement or cost is necessary.
If the agency has made a preliminary determination not to implement one (1) or more of the alternative methods considered, the agency shall include a statement explaining the agency's reasons for the determination, including a reference to any data, studies, or analyses relied upon by the agency in making the determination.
IC 4-22-2.1-5