S.C. Code Ann. § 50-25-1220: Exemption for regatta, boat race, marine parade, tournament, or exhibition.

The motorboats competing in a regatta, boat race, marine parade, tournament, or exhibition approved as provided in Section 50-21-1210 are exempted from the provisions of this article. Exceptions also may be granted during designated hours for pretrial runs and for trial runs for speed records immediately following the event.