California Code, Business and Professions Code - BPC § 19606

(a) For harness, quarter horse, Appaloosa, Arabian, mixed breed, and fair meetings, the funds remaining after the distribution of the amounts set forth in Sections 19605.7 and 19605.71 shall be distributed 50 percent as commissions to the association that conducts the racing meeting and 50 percent to the horsemen participating in the racing meeting in the form of purses.  However, owners' premiums shall be paid from the amount distributed for purses in the same relative percentage as owners' premiums are paid at the racing meeting, except that for thoroughbred races the owners' premiums shall be as provided in subdivision (a) of Section 19605.8.

(b) In addition to funds distributed under Sections 19605.7 and 19605.71, from the amount that would be distributed to harness racing horsemen in the form of purses under this section, an amount equal to 0.1 percent of the amount handled on conventional and exotic wagers on standardbreds at satellite wagering facilities in California shall be distributed for the California Standardbred Sires Stakes Program pursuant to Section 19619.