S.D. Codified Laws § 21-18-12
Current with legislation signed by the governor on or before 3/6/2024
From the time of the service of the summons upon the garnishee, the garnishee is liable to the plaintiff to the amount of the property, money, credits, and effects in the garnishee's possession or under the garnishee's control belonging to the defendant, or in which the garnishee is interested, to the extent of the garnishee's right or interest therein, and of all debts due to the defendant, except such as may be by law exempt from execution.
SDCL 21-18-12