Group I: Banks in Brookings, Clay, Kingsbury, Lake, Lincoln, McCook, Miner, Minnehaha, Moody, Turner, Union, and Yankton counties

Group II: Banks in Brown, Day, Clark, Codington, Deuel, Grant, Hamlin, Marshall, Roberts, Spink, counties.

Group III: Banks in Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix, Davison, Douglas, Gregory, Hand, Hanson, Hutchinson, Hyde, Jerald, Lyman, Sanborn, and Tripp counties.

Group IV: Banks in Campbell, Corson, Dewey, Edmunds, Faulk, Hughes, McPherson, Perkins, Potter, Stanley, Sully, Walworth, and Ziebach counties.

Group V: Banks in Harding, Butte, Meade, Lawrence, Pennington, Custer, Haakon, Jackson, Washabaugh, Mellette, Jones, Todd, Bennett, Shannon and Fall River counties.

Large Commercial Banks are defined as those banks with more than $500,000,000 in deposits as of their Call Report in June of the immediately preceding year.

Large Community Banks are those banks with deposits between $75,000,000 and $500,000,000, as of their Call Report in June of the immediately preceding year.

Credit Card Banks are defined as any member of this corporation which designate themselves to be primarily a "credit card bank".

Country Banks are defined as those banks with deposits of less than $75,000,000 as of their Call Report in June of the immediately preceding year.