S.D. Codified Laws § 32-5-47
Definition of nonresident
A nonresident within the meaning of § 32-5-46 is a person who does not reside in this state. If present in this state for more than ninety days, a person is considered a resident for the purposes of § 32-5-46 .
Source: SDC 1939, § 44.0112; SL 1951, ch 225; SL 1981, ch 233; SL 1986, ch 245.