S.D. Codified Laws § 5-2-3

The State of South Dakota through its several departments, agencies, and institutions, and counties through their boards of county commissioners, may exchange with the approval of the appropriate department of the federal government tracts and sections of land belonging to the State of South Dakota for lands of like character in value belonging to the United States government on Indian reservations, and to execute proper conveyances thereof, in manner and form as provided by existing laws, but without the necessity of complying with any statute requiring advertising, notice, or appraisement, and to accept in return therefor a proper instrument of conveyance to the state of the lands for which such lands are exchanged.