31 CFR § 1021.311 - Filing obligations.
Each casino shall file a report of each transaction in currency, involving either cash in or cash out, of more than $10,000.
(a) Transactions in currency involving cash in include, but are not limited to:
(1) Purchases of chips, tokens, and other gaming instruments;
(2) Front money deposits;
(3) Safekeeping deposits;
(4) Payments on any form of credit, including markers and counter checks;
(5) Bets of currency, including money plays;
(6) Currency received by a casino for transmittal of funds through wire transfer for a customer;
(7) Purchases of a casino's check;
(8) Exchanges of currency for currency, including foreign currency; and
(9) Bills inserted into electronic gaming devices.
(b) Transactions in currency involving cash out include, but are not limited to:
(1) Redemptions of chips, tokens, tickets, and other gaming instruments;
(2) Front money withdrawals;
(3) Safekeeping withdrawals;
(4) Advances on any form of credit, including markers and counter checks;
(5) Payments on bets;
(6) Payments by a casino to a customer based on receipt of funds through wire transfers;
(7) Cashing of checks or other negotiable instruments;
(8) Exchanges of currency for currency, including foreign currency;
(9) Travel and complimentary expenses and gaming incentives; and
(10) Payment for tournament, contests, and other promotions.
(c) Other provisions of this chapter notwithstanding, casinos are exempted from the reporting obligations found in this section and § 1021.313 for the following transactions in currency or currency transactions:
(1) Transactions between a casino and a dealer in foreign exchange, or between a casino and a check casher, as those terms are defined in § 1010.100(ff) of this chapter, so long as such transactions are conducted pursuant to a contractual or other arrangement with a casino covering the financial services in paragraphs (a)(8), (b)(7), and (b)(8) of this section;
(2) Cash out transactions to the extent the currency is won in a money play and is the same currency the customer wagered in the money play, or cash in transactions to the extent the currency is the same currency the customer previously wagered in a money play on the same table game without leaving the table;
(3) Bills inserted into electronic gaming devices in multiple transactions (unless a casino has knowledge pursuant to § 1021.313 in which case this exemption would not apply); and
(4) Jackpots from slot machines or video lottery terminals.