25 C.F.R. § 542.9
(c) Standards for supervision.
(d) Standards for playing cards.
(3) The Tribal gaming regulatory authority, or the gaming operation as approved by the Tribal gaming regulatory authority, shall establish and the gaming operation shall comply with a reasonable time period, which shall not exceed seven (7) days, within which to mark, cancel, or destroy cards from play.
(f) Standards for shills.
(g) Standards for reconciliation of card room bank.
(h) Standards for promotional progressive pots and pools.
(7) All decreases to the pool must be properly documented, including a reason for the decrease.
(j) Promotional progressive pots and pools where funds are maintained in the cage.