No pari-mutuel tickets shall be sold except at regular ticket windows, properly designated by signs showing the types of tickets sold at such windows, except that, tickets may be issued by automated ticket machines, or bets may be sold by designated couriers, according to procedures approved by the commission. No such tickets shall be exchanged.
N.Y. Comp. Codes R. & Regs. Tit. 9 § 4406.6