SDCL § 42-7-76: Contributions by win bettors--Minors prohibited from participating--Interest acquired--Certificates issued.

The certificate system shall expressly authorize the right of a licensee to collect and receive contributions of money from any person eighteen years or older toward the entry of any horse or dog in such race selected by such person to run first in the race, and the person contributing such money shall acquire an interest in the total money contributed on all horses and dogs in the race as first winner in proportion to the amount of money contributed by such person. The licensee shall receive such contributions of money and issue to the contributors thereof certificates on which shall be shown the number of the race, the amount contributed, and the number or name of the horse or dog selected by such person as first winner.