12 CFR 233.4: Exemptions.

(a) Automated clearing house systems. The participants processing a particular transaction through an automated clearing house system are exempt from this regulation's requirements for establishing written policies and procedures reasonably designed to prevent or prohibit restricted transactions with respect to that transaction, except for—

(1) The receiving depository financial institution and any third-party processor receiving the transaction on behalf of the receiver in an ACH credit transaction;

(2) The originating depository financial institution and any third-party processor initiating the transaction on behalf of the originator in an ACH debit transaction; and

(3) The receiving gateway operator and any third-party processor that receives instructions for an ACH debit transaction directly from a foreign sender (which could include a foreign banking office, a foreign third-party processor, or a foreign originating gateway operator).

(b) Check collection systems. The participants in a particular check collection through a check collection system are exempt from this regulation's requirements for establishing written policies and procedures reasonably designed to prevent or prohibit restricted transactions with respect to that check collection, except for the depositary bank.

(c) Money transmitting businesses. The participants in a money transmitting business are exempt from this regulation's requirements for establishing written policies and procedures reasonably designed to prevent or prohibit restricted transactions, except for the operator.

(d) Wire transfer systems. The participants in a particular wire transfer through a wire transfer system are exempt from this regulation's requirements for establishing written policies and procedures reasonably designed to prevent or prohibit restricted transactions with respect to that transaction, except for the beneficiary's bank.