South Dakota Codified Laws
Chapter 04A - Solicitation
Section 22-4A-3 - Proof required for conviction of criminal solicitation.

22-4A-3. Proof required for conviction of criminal solicitation.
No person may be convicted of criminal solicitation upon the uncorroborated testimony of the person allegedly solicited, and there must be proof of circumstances corroborating both the solicitation and the defendant's intent.

Source: SL 2005, ch 120, ยง440.