S.D. Codified Laws § 22-16-37
Aiding and abetting suicide--Felony
Any person who intentionally in any manner advises, encourages, abets, or assists another person in taking or in attempting to take his or her own life is guilty of a Class 6 felony.
Source: SDC 1939, §§ 13.1902, 13.1903; SDCL, § 22-16-38 ; SL 1968, ch 31, § 1; SL 1976, ch 158, § 16-7 ; SL 2005, ch 120, § 167.