S.D. Codified Laws § 45-6C-23
The surety provided for by § 45-6C-19 shall be payable to the State of South Dakota and conditioned upon the operator's faithful performance of all requirements of this chapter. If a corporate surety bond is required, such bond shall be signed by the operator as principal and by a surety insurer certified under chapter 58-21. Such surety shall remain in effect until the test hole plugging and reclamation are approved by the Board of Minerals and Environment and the surety is released by the board. At least thirty days prior to the release of the surety, the Department of Agriculture and Natural Resources shall notify the board of county commissioners of the affected county and the surface owner or lessee of the affected land, if other than the mineral owner, of the proposed surety release.
SDCL 45-6C-23