31 U.S.C. § 5364: Policies and procedures to identify and prevent restricted transactions

allow the payment system and any person involved in the payment system to identify restricted transactions by means of codes in authorization messages or by other means; and block restricted transactions identified as a result of the policies and procedures developed pursuant to subparagraph (A). The establishment of policies and procedures that prevent or prohibit the acceptance of the products or services of the payment system in connection with a restricted transaction. identify types of policies and procedures, including nonexclusive examples, which would be deemed, as applicable, to be reasonably designed to identify and block or otherwise prevent or prohibit the acceptance of the products or services with respect to each type of restricted transaction; to the extent practical, permit any participant in a payment system to choose among alternative means of identifying and blocking, or otherwise preventing or prohibiting the acceptance of the products or services of the payment system or participant in connection with, restricted transactions; exempt certain restricted transactions or designated payment systems from any requirement imposed under such regulations, if the Secretary and the Board jointly find that it is not reasonably practical to identify and block, or otherwise prevent or prohibit the acceptance of, such transactions; and ensure that transactions in connection with any activity excluded from the definition of unlawful internet gambling in subparagraph (B), (C), or (D)(i) of section 5362(10) are not blocked or otherwise prevented or prohibited by the prescribed regulations. identify and block restricted transactions; or otherwise prevent or prohibit the acceptance of the products or services of the payment system, member, or participant in connection with restricted transactions; and such policies and procedures of the designated payment system comply with the requirements of regulations prescribed under subsection (a). that is a restricted transaction; that such person reasonably believes to be a restricted transaction; or as a designated payment system or a member of a designated payment system in reliance on the policies and procedures of the payment system, in an effort to comply with regulations prescribed under subsection (a), the Federal functional regulators, with respect to the designated payment systems and financial transaction providers subject to the respective jurisdiction of such regulators under section 505(a) of the Gramm-Leach-Bliley Act and section 5g of the Commodities Exchange Act; and the Federal Trade Commission, with respect to designated payment systems and financial transaction providers not otherwise subject to the jurisdiction of any Federal functional regulators (including the Commission) as described in paragraph (1).