12 CFR 349.15: Prohibited transactions.

(a) Fraudulent conduct prohibited. No FDIC-supervised insured depository institution or its IAPs may, directly or indirectly, in or in connection with any retail forex transaction:

(1) Cheat or defraud or attempt to cheat or defraud any person;

(2) Willfully make or cause to be made to any person any false report or statement or cause to be entered for any person any false record; or

(3) Willfully deceive or attempt to deceive any person by any means whatsoever.

(b) Acting as counterparty and exercising discretion prohibited. If an FDIC-supervised insured depository institution can cause retail forex transactions to be effected for a retail forex customer without the retail forex customer's specific authorization, then neither the FDIC-supervised insured depository institution nor its affiliates may act as the counterparty for any retail forex transaction with that retail forex customer.