S.D. Codified Laws § 21-36-24

In all cases where property has or may be hereafter escheated to the State of South Dakota by proceedings had in any court of this state, any person or persons who may be legally entitled to the same or an heir or heirs of the deceased person whose property was escheated by such proceedings, who was not a party or privy to such proceedings and who had no notice or knowledge thereof, may bring an action against the State of South Dakota for the recovery of such property within ten years from the entry of the decree or the judgment of escheat.