S.D. Codified Laws § 35-12B-7
Each shipment of wine made in accordance with this chapter shall be delivered by a wine carrier and shall be accompanied by a shipping label that conforms to the requirements contained in § 35-12B-6. The wine carrier shall obtain the signature of a person twenty-one years of age or older prior to delivery of the shipment, and shall request that the person signing for the shipment display a valid age-bearing photo identification document issued by this state, another state, or the federal government verifying that the person is twenty-one years of age or older.
Any common carrier or wine carrier who delivers wine to a person under twenty-one years of age is subject to a civil penalty of one thousand dollars for a first offense and two thousand dollars for a second or subsequent offense. Any money collected pursuant to this section shall be deposited in the general fund.
SDCL 35-12B-7