Code of Federal Regulations Title 31. Money and Finance–Treasury § 31.598.505 Investment and reinvestment of certain funds

(a) The assets representing such investments and reinvestments are credited to a blocked account or subaccount that is held in the same name at the same U.S. financial institution, or within the possession or control of a U.S. person, but in no case may funds be transferred outside the United States for this purpose;

(b) The proceeds of such investments and reinvestments are not credited to a blocked account or subaccount under any name or designation that differs from the name or designation of the specific blocked account or subaccount in which such funds or securities were held;  and

(c) No immediate financial or economic benefit accrues (e.g., through pledging or other use) to the specially designated narcotics trafficker.