S.D. Codified Laws § 10-50-7 (2026)
Nothing contained in this chapter shall be construed to impose a tax on any transaction the taxation of which by this state is prohibited by the Constitution of the United States.
Source: SL 1937, ch 243 , § 5; SDC 1939, § 57.3905; SL 1949, ch 422 , § 1; SL 1951, ch 452 , § 3; SL 1955, ch 416 ; SL 1959, ch 442 , § 1; SL 1963, ch 446 , § 1; SL 1965, ch 293 , § 1.