SDCL § 5-7-50: Validity of leases prior to 1993 amendments to this chapter.

All prospecting permits and leases issued prior to July 1, 1993 which have not expired, or which have not been canceled legally for nonperformance, are hereby declared to be valid and existing contracts with the State of South Dakota according to their terms and provisions, and the commissioner shall accept and recognize all such permits and leases according to their terms and provisions.