S.D. Codified Laws § 55-11-5
Cancellation of contract creating revocable trust
The contract creating a revocable trust mentioned in § 55-11-1 may be canceled by either party thereto at any time upon thirty days' written notice of such cancellation.
Source: SL 1953, ch 496, § 1; SDC Supp 1960, § 27.1409; SL 1967, ch 104, § 1; SL 1975, ch 302, § 2.