S.D. Codified Laws § 42-7B-38

All shipments of gaming devices, including slot machines, into and within this state, the registering, recording, and labeling of which has been duly had by the manufacturer or dealer thereof in accordance with sections 3 and 4 of an act of Congress of the United States entitled "An Act to prohibit transportation of gambling devices in interstate and foreign commerce," approved January 2, 1951, designated as 15 U.S.C. §§ 1171 to 1177, inclusive, and in effect on January 1, 1989, shall be deemed legal shipments thereof, when transported into or within the state to any manufacturer, distributor, operator, retailer, or route operator legally licensed pursuant to this chapter or by compact.