(1) In addition to the amounts authorized to be retained in RCW 67.16.170, race meets may retain daily for each authorized day of racing an additional six percent of the daily gross receipts of all parimutuel machines from exotic wagers at each race meet.
(2) Of the amounts retained in subsection (1) of this section, one-sixth shall be paid to the commission at the end of the race meet for deposit in the Washington horse racing commission Washington bred owners' bonus fund and breeder awards account created in RCW 67.16.275. Such amounts shall be used by the commission for Washington bred breeder awards, in accordance with the rules and qualifications adopted by the commission.
(3) As used in this section, "exotic wagers" means any multiple wager. Exotic wagers are subject to approval of the commission.