SDCL § 51A-12-14: Right of offset on loans.

In addition to the general lien created by § 44-11-11 in favor of a bank on all property in possession of the bank belonging to its customers, a bank may offset against all loan balances, whether principal or interest, owed to the bank by a customer, all or any portion of the bank's obligation to the customer in the form of certificates of deposit, time savings certificates and any other form of deposit.

Source: SL 1981, ch 346, § 61; SDCL, § 51-24-15.