SDCL § 35-2-10.3: Compliance checks of prohibited alcohol sales to persons under age twenty-one.

Any enforcement entity that conducts compliance checks using underaged informants to determine if a licensee will sell an alcoholic beverage to a person under the age of twenty-one shall inform the licensee in writing of the results of any compliance check within forty-eight hours after the compliance check takes place. No licensed premises may be subject to more than one compliance check within a forty-eight hour period.