S.D. Codified Laws § 57A-11-108
Presumption that rule of law continues unchanged
Unless a change in law has clearly been made, the provisions of this 1983 Act shall be deemed declaratory of the meaning of Title 57A.
Source: SDCL, § 57A-11-108 , enacted by SL 1982, ch 347, § 38; SL 1983, ch 367, § 7.