S.D. Codified Laws § 29A-6-434

The provisions of this part modify, limit, and supersede the federal Electronic Signatures in Global and National Commerce Act, 15 U.S.C. Section 7001, et seq., but do not modify, limit, or supersede Section 101(c) of that Act, 15 U.S.C. Section 7001(c), or authorize electronic delivery of any of the notices described in Section 103(b) of that Act, 15 U.S.C. Section 7003(b).