The winnings of a horse in a stake race will be computed on the value of the gross earnings, including any added moneys.
Wash. Admin. Code § 260-64-020
Statutory Authority: RCW 67.16.020 and 67.16.040. 08-05-088, § 260-64-020, filed 2/15/08, effective 3/17/08; Rules of racing, § 316, filed 4/21/61.