S.D. Codified Laws § 2-14-18
Current with legislation signed by the governor on or before 3/6/2024
The repeal of any statute by the Legislature shall not have the effect to release or extinguish any penalty, forfeiture, or liability incurred under such statute unless the repealing act shall so expressly provide, and such statute shall be treated as still remaining in force for the purpose of sustaining any proper action or prosecution for the enforcement of such penalty, forfeiture, or liability.
SDCL 2-14-18