Conn. Agencies Regs. § 12-574-A18 – Exacta

(a) Rules governing. At tracks which have the exacta pool, the rules of this section will govern the system used.
(b) Permitted. Exacta wagering shall be permitted only in accordance with section 12-574-A16 of these regulations.
(c) Rules printed in program. The rules for exacta shall be printed in the daily racing programs sold to the public within the premises of racing associations.
(d) Definition. The exacta is a contract by the purchaser of a ticket combining two (2) horses in a single race, selecting the first two (2) finishers in the exact order of finish as officially posted. All exacta tickets will be for the win and place combination only.
(e) No exchange of tickets. There positively shall be no exchange of tickets after the purchaser thereof has left the sales window.
(f) Not a parlay. The exacta is not a "parlay" and has no connection with or relation to any other pool, and is no part of the win, place and show pools, daily double, quinella, trifecta, superfecta, or other wagering pool. All tickets will be calculated in an entirely separate pool
(g) Selected by numbers. Selections are to be made by program numbers and not necessarily by post position numbers. LARGE numbers appearing on the tickets are program numbers of the horses.
(h) Calculation and distribution of pools. The exacta shall be calculated and distributed as follows: the net pool divided by the amount wagered on the winning combinations determines the payoff per dollar bet, including profit and wager.
(i) Determination of winners. If no ticket is sold on the winning combination of an exacta pool, the net pool shall be distributed as a place pool between holders of tickets selecting the winning horse to finish first, and/or holders of the tickets selecting the second place horse to finish second.
(j) Refund. If no ticket is sold that would require distribution of the net exacta pool to winners as defined in this section, the association shall make a complete and full refund of the exacta pool upon surrender of the exacta tickets so purchased.
(k) Dead heat.
1. (1) In the event of a dead heat for win, the net pool shall be distributed to each combination of winners separately as in a win pool dead heat, e.g., in a dead heat of two horses there are two winning combinations, in a dead heat of three horses there are six winning combinations.
2. (2) In the event of a dead heat for second the net pool shall be divided as in a win pool dead heat among holders of tickets combining the winner with each second place horse.
  (l) Entries, fields. Coupled entries and fields are prohibited in exacta races.
(m) Scratched or excused horse. Should any horse entered in an exacta race be scratched or excused by the stewards after wagering has commenced, or should any horse be prevented from racing because of the failure of the starting gate to open, all tickets including such horse shall be deducted from the exacta pool and money refunded to the purchasers of tickets on the horse so excused or prevented from racing.
(n) Permitted sales. Sale of exacta tickets other than through pari-mutuel machines shall be deemed illegal and is prohibited.
(o) Hold tickets. Tickets should be retained until the results have been declared official.
(p) Denominations of tickets. Exacta tickets shall be sold only in denominations approved by the commission.