Section 589.512 - Certain transactions related to derivatives prohibited by Section 589.202, Section 589.203, or Section 589.204(a) All transactions by U.S. persons, wherever located, and transactions within the United States involving derivative products whose value is linked to an underlying asset that constitutes prohibited debt issued by a person subject to § 589.202 , § 589.203 , or § 589.204 , or prohibited equity issued by a person subject to § 589.202 , are authorized.(b) This section does not authorize the holding, purchasing, or selling of underlying assets otherwise prohibited by § 589.202 , § 589.203 , or § 589.204 by U.S. persons, wherever are located, or within the United States.