2. To demonstrate an interest under the other categories, cultural, tribal or religious affiliation; a scientific, environmental, or educational purpose; land use; a commercial purpose not related to land use; or an interest which the board considers to be in the public interest, the applicant shall provide a written statement explaining the type of interest the applicant has as well as information about why the applicant claims that interest. Note: The application form for entry in the registry can be obtained at no charge by writing to the burial sites preservation program, The State Historical Society of Wisconsin, 816 State Street, Madison, Wisconsin 53706.