20:04:30:19Sales close at off bell.
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
No tickets may be sold after the off bell has been sounded. The association is not responsible for uncompleted ticket sales caused by the locking of the mutuel machines.
Source: 5 SDR 87, effective April 15, 1979; transferred from § 20:04:09:09, 9 SDR 122, effective March 31, 1983; 12 SDR 151, 12 SDR 155, effective July 1, 1986.