58 Pa. Code § 673a.6 – Wagers.

(a) Wagers at Double Back Jack shall be made by placing value chips, plaques or other Board-approved table game wagering instruments on the appropriate areas of the Double Back Jack layout.
(b) After the cards have been shuffled as required under § 673a.5 (relating to shuffle and cut of the cards), a certificate holder may prohibit any patron, whether seated at the gaming table or not, who does not make a wager on a given round of play from placing a wager on the next round of play and any subsequent round of play at that gaming table until either:
1. (1) The certificate holder chooses to permit the player to begin wagering again.
2. (2) A reshuffle of the cards has occurred.
(c) All wagers, except a Second Chance Wager under § 673a.7(l) (relating to procedure for dealing the cards; completion of each round of play), an Insurance Wager under § 673a.8 (relating to Insurance Wager), a wager to double down under § 673a.10 (relating to double down) or a wager on split pairs under § 673a.11 (relating to splitting pairs), shall be placed prior to the first card being dealt for each round of play. A player may not handle, remove or alter any wagers that have been made until a decision has been rendered and implemented with respect to that wager.
(d) To participate in a round of play and compete against the dealer’s hand, a player shall place a Blackjack Wager.
(e) The certificate holder shall specify in its Rules Submission under § 601a.2 (relating to table games Rules Submissions) the number of adjacent boxes on which a player may place a Blackjack Wager in one round of play.