20:04:30:68Perfecta defined.
Section · Administrative Rules of South Dakota · View on sdlegislature.gov ↗
The perfecta, also known as exacta or correcta, is a contract by the purchaser of a ticket to select the two horses that will subsequently finish first and second in a single race. Payment of the ticket shall be made only to the purchaser who has selected the same order of finish as officially posted.
Source: 5 SDR 87, effective April 15, 1979; transferred from § 20:04:09:60, 9 SDR 122, effective March 31, 1983; 12 SDR 151, 12 SDR 155, effective July 1, 1986.