58 Pa. Code § 631a.3 – Cards; number of decks.

(a) Baccarat shall be played with six to eight decks of cards that are identical in appearance and two cover cards.
(b) The decks of cards opened for use at a Baccarat table shall be changed after the play of each dealing shoe.

This section cited in 58 Pa. Code § 631c.5 (relating to commission-free Baccarat).