ARSD 20:06:22:29. Rating area

No health insurance issuer may vary rates based on geographical location in this state except as permitted by this section. The rating areas are on a county basis and are as follows: (1) Harding, Butte, Perkins, Ziebach, Haakon, Jackson, Bennett, Oglala Lakota, Fall River, Custer, Pennington, Lawrence, Meade, Jones, Mellette, and Todd; (2) Lake, Moody, McCook, Minnehaha, Turner, Lincoln, Clay, and Union; (3) Campbell, Corson, Dewey, Walworth, Potter, McPherson, Edmunds, Faulk, Brown, Spink, Marshall, Roberts, Day, Grant, Codington, Clark, Hamlin, Deuel, Brookings, Kingsbury, and Beadle; and (4) Sully, Hughes, Hyde, Hand, Buffalo, Jerauld, Sanborn, Lyman, Miner, Brule, Aurora, Davison, Hanson, Douglas, Charles Mix, Hutchinson, Bon Homme, Stanley, Tripp, Gregory, and Yankton. Nothing in this section requires a health insurance issuer to use a different geographic rating factor for each rating area. A health insurance issuer may assign the same rating band for any or all of the rating areas specified in this section.