Definition. In this regulation, the following term has the meaning indicated. Term Defined. Head-to-head wager means a bet in which an individual selects one of two designated horses in a particular race to reach the finish line before the other, regardless of the position in which the other horses finish the race. The association shall designate: Which races a head-to-head wager will be offered; and Which horses in each race are the selections for the head-to-head wager. Races in which a head-to-head wager is offered shall be: Approved by the Commission; and Clearly designated in the program. Horses coupled as a betting entry or horses coupled to constitute a mutual field may not constitute one of the selections in a head-to-head wager. A head-to-head wager is not a parlay and has no connection with, or relation to, any other pari-mutuel pool. A head-to-head wagering pari-mutuel pool shall be considered a regular pari-mutuel pool for the purposes of takeout and the allocation of takeout. Repealed. The entire head-to-head wagering pool shall be refunded if: One of the designated horses is scratched or declared a nonstarter by the stewards; A dead heat occurs between the two horses designated for the head-to-head wager; or Both designated horses fail to finish the race. The rules pertaining to a head-to-head wager shall be: Prominently displayed in the wagering area; and Made available to anyone requesting a copy.