S.D. Codified Laws § 32-9-16.3
Staggered registration of intrastate commercial vehicles
The annual registration of all intrastate commercial vehicles shall be staggered in accordance with the provisions set forth in §§ 32-5-2.1 , 32-5-2.2 , and 32-5-2.4 .
Source: SL 2010, ch 158, § 1.