S.D. Codified Laws § 10-25-43
Reconveyance pursuant to § 10-25-41 may be authorized only by resolution of the county commissioners published in the minutes, and the reconveyance may be made only after the time for an appeal from the resolution has expired. The reconveyance is made by quitclaim deed substantially in the form provided by chapter 43-25 and may be made only on payment in cash of the price fixed by the resolution of the county commissioners. The quitclaim deed is executed by the treasurer and attested by the county auditor under seal. The quitclaim deed has the effect only of releasing the title and claim that the county and the taxing districts represented by the county have under the tax deed and any of the taxes that are paid as a part of the price fixed by the county commissioners.
SDCL 10-25-43