S.D. Codified Laws § 35-4-127
A licensee licensed pursuant to subdivision 35-4-2(3) or (5) may apply for an off-sale delivery license as provided by subdivision 35-4-2(23) to deliver alcoholic beverages to a consumer within the boundaries of the municipality that issued the off-sale license. The alcoholic beverage for delivery shall be purchased in person and on-site at the licensee's off-sale premises. The minimum purchase of alcoholic beverages shall be one hundred fifty dollars. The delivery shall be made during hours of operation pursuant to § 35-4-81.2 by an employee of the licensee who is at least twenty-one years old. The employee shall obtain the signature of a person twenty-one years old or older before delivery of the shipment. The employee shall request that the person signing for the delivery 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 old or older. Documentation verifying the identification of the person signing for the delivery shall be retained by the licensee for one year.
Any licensee who delivers alcoholic beverages to a person under twenty-one years old 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 35-4-127