S-13.1, r. 3 - By-law respecting casino games

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67.81. After viewing the 5 cards, each player has the option of making an additional bet which must be equal to the ante or, if the player’s hand has a pair of aces or a higher ranking combination, may be three times the ante. If the player decides not to make that additional bet, he forfeits the ante and the Super Bonus bet.
O.C. 1033-2007, s. 3.