S.D. Codified Laws § 32-6C-9 (2026)
Any new or used snowmobile owned by a licensed dealer, bearing dealer's demonstration permits, may be operated in this state for demonstration purposes only. Such snowmobiles may be operated by any prospective buyer for a period not to exceed three days. No dealer may issue a dealer's demonstration permit to any snowmobile for any other purpose. Any violation of this section is a Class 1 misdemeanor.
Source: SL 1987, ch 223 , § 9.