S.D. Codified Laws § 36-11-46.6
The pharmacist shall, unless otherwise instructed by the prescriber, label the prescription container with the name of the dispensed drug. If the dispensed drug does not have a brand name, the prescription label shall indicate the generic name or the United States Pharmacopoeia pharmacy equivalent name of the drug dispensed. If a pharmacist selects a generically equivalent drug product for the brand name drug product prescribed, the prescription container label shall identify the generic name and may identify the brand name for which the selection is made. The dual identification allowed under this section shall take the form of the following statement on the prescription container label: "(generic name) Generic for (brand name)". The pharmacy file copy of each prescription shall include the brand name, if any, or the name of the manufacturer, labeler, or distributor of the drug product dispensed. The prescription container label shall include all information required by federal and state law or by rule promulgated by the board pursuant to chapter 1-26.
SDCL 36-11-46.6