S.D. Codified Laws § 57A-8-113
Current with legislation signed by the governor on or before 3/6/2024
A contract or modification of a contract for the sale or purchase of a security is enforceable whether or not there is a writing signed or record authenticated by a party against whom enforcement is sought, even if the contract or modification is not capable of performance within one year of its making.
SDCL 57A-8-113