S.D. Codified Laws § 32-6B-5.7
A person who is sponsoring an event for displaying customized motorcycles built for the event may do so without a license issued under this chapter if the person meets the provisions of this section. Before displaying any such motorcycle, the person sponsoring the event shall register and purchase a permit from the department. The fee for the permit is five hundred dollars. However, if the permit is purchased before the start of the event, the fee is two hundred fifty dollars. The permit is valid for fifteen consecutive days. Any person found to be in violation of the provisions of this section shall be denied a permit for a period of fifteen months from the date of the violation. If any person wishes to display any customized motorcycle outside the sponsored event, the person shall register and purchase a permit as provided under § 32-6B-5.6.
SDCL 32-6B-5.7