The South Dakota livestock ownership inspection area consists of all of that part of the State of South Dakota lying within the following counties: Harding, Butte, Lawrence, Pennington, Custer, Fall River, Perkins, Meade, Oglala Lakota, Corson, Dewey, Ziebach, Haakon, Stanley, Jackson, Jones, Mellette, Bennett, Todd, Lyman, Tripp, and Gregory.
SDCL 40-20-1