S.D. Codified Laws § 56-3-3
Indemnity for past wrongful act valid
An agreement to indemnify a person against an act already done is valid, even though the act was known to be wrongful, unless it was a felony.
Source: SDC 1939, § 31.3103; repealed SL 1966, ch 111, § 5; re - enacted SL 1967, ch 235, § 3.