PDFWAC 260-56-031
Prerace protests.
(1) All prerace protests to the participation of a horse entered in any race must be made in writing to the board of stewards, signed by the person making the protest, and submitted no later than fifteen minutes prior to post time for the race in question. The protest must contain the specific reason or grounds for the protest.
(2) A protest to a horse which is entered in a race may be made on, but not limited to, the following:
(a) An error or omission in the entry of a horse;
(b) The horse entered to run is not the horse it is represented to be at the time of entry;
(c) The horse is not qualified to enter under the conditions specified for the race, the weight allowances are improperly claimed, or the weight to be carried is incorrect according to the conditions of the race; or
(d) The horse is owned in whole or in part, or leased or trained by a person ineligible to participate in racing or otherwise ineligible to own a race horse as provided in these rules.
(3) The decision of a prerace protest by the board of stewards is final and may not be appealed.