S.D. Codified Laws § 22-23-2
Promoting prostitution--Felony
Any person who:
(1) Encourages, induces, procures, or otherwise purposely causes another to become or remain a prostitute;
(2) Promotes the prostitution of a minor; or
(3) Promotes the prostitution of his or her spouse, child, ward, or other dependant person;
Source: SDC 1939, § 13.2706; SL 1976, ch 158, § 23-3 ; SL 1977, ch 189, § 54; SL 2005, ch 120, § 177.