S.D. Codified Laws § 32-6B-34

For the purposes of §§ 32-6B-35 to 32-6B-37, inclusive, a dealer's car auction agency includes any person, firm, limited liability company, corporation, or association engaged in an auction, as defined by chapter 59-8, of vehicles. The sales shall involve only vehicles owned by dealers and sold to dealers. The provisions of this chapter apply to dealers' car auction agencies and the license issued is subject to the additional provisions set forth in §§ 32-6B-35 to 32-6B-37, inclusive.