N.Y. Comp. Codes R. & Regs. tit. 9, § 5007.14
(a) The following definitions shall apply to a raffle game:
(9) Sales period means a period of time starting from the initial sales date of the game tickets as specified by the director and ending:
(11) Winning ticket means the ticket bearing the unique numbers randomly selected in the drawing as a winning play.
(b) Sale of tickets.
(3) A player shall not select specific game numbers. Numbers shall be generated in an order based on instruction from the gaming central system.
(c) Ticket price.
The price for each raffle game wager shall be the price set by the commission.
(d) Drawing.
(1) A raffle game drawing will be conducted at a day, time, frequency and location determined by the commission. Winning game numbers are the numbers randomly selected that entitle the legitimate holder of a winning raffle game ticket to a prize for which such numbers were drawn. Such winning numbers shall be:
(2) A game number can only be selected once during the draw.
(e) Calculation and payment of prizes.
(3) Prize categories and amounts shall be determined by the commission prior to the sales period.
(f) Probability of winning.
The probability of winning a raffle game prize on a single qualifying wager shall be determined by the number of prizes awarded divided by the number of total plays in the drawing. The probability of winning a raffle game prize shall be determined by the commission prior to the sales period and announced publicly.
(g) Miscellaneous.