41:04:01:08Diver-down flag
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
requirements. The statutory diver-down flag may be not less than 12 inches by 15 inches in size. No person may place a diver-down flag in such a manner that the flag restricts watercraft navigation.
Source: SL 1975, ch 16, § 1; 10 SDR 76, 10 SDR 102, effective July 1, 1984; 41 SDR 107, effective January 5, 2015; 46 SDR 74, effective December 2, 2019.