SDCL § 51A-10-3: Deposits in name of two or more persons.

Whenever a deposit has been made or shall hereafter be made, in any bank in the names of two or more persons, payable to any of them or payable to the survivor of them, such deposit or any part thereof, or any interest or dividend thereon, may be paid to any one or more of said persons whether the other be living or not, and the receipt or acquittance of the person or persons so paid shall be a valid and sufficient release and discharge to the bank for any payment so made.

Source: SL 1911, ch 128; RC 1919, § 8997; SDC 1939, § 6.0414; SL 1951, ch 13; SDCL, § 51-10-11; SL 1969, ch 11, § 8.4; SDCL, § 51-22-5.