S.D. Codified Laws § 32-12-52.3
Upon a first conviction or a first adjudication of delinquency for any violation, while in a vehicle, of §§ 22-42-5 to 22-42-9, inclusive, 22-42A-3, or 22-42A-4, the court shall revoke the driver license or driving privilege of the driver so convicted for a period of ninety days.
Upon a second or subsequent conviction or a second or subsequent adjudication of delinquency for a violation, while in a vehicle, of §§ 22-42-5 to 22-42-9, inclusive, 22-42A-3, or 22-42A-4, the court shall revoke the driver license or driving privilege of the driver so convicted for a period of one year or until the person's seventeenth birthday, whichever is a longer period of time. For any offense under this section, the court may issue an order, upon proof of financial responsibility pursuant to § 32-35-43.1, permitting the person to operate a vehicle for purposes of the person's employment, attendance at school, or counseling programs. Notwithstanding the provisions of chapters 26-7A, 26-8A, 26-8B, and 26-8C, the Unified Judicial System shall notify the Department of Public Safety of any conviction or adjudication of delinquency for a violation, while in a vehicle, of §§ 22-42-5 to 22-42-9, inclusive, 22-42A-3, or 22-42A-4. The period of revocation shall begin on the date ordered by the court or on the date specified in the notice from the department, whichever date is earlier. At the expiration of the revocation period, a person may make application to reinstate the person's license as provided by law and shall pay the license fee prescribed in § 32-12-47.1.
SDCL 32-12-52.3