S.D. Codified Laws § 49-31-29 (2026)
Any person who intentionally refuses to immediately relinquish a party line when informed that such line is needed for an emergency call actually existing as defined in subdivision 49-31-28(2), to a fire department, to a law enforcement officer or department, for medical aid or for ambulance service, is guilty of a Class 2 misdemeanor.
Source: SL 1959, ch 49 , § 2; SDC Supp 1960, § 13.1628; SL 1983, ch 15 , § 119.