536.201—Prohibited transactions involving blocked property.
(a)
Except as authorized by regulations, orders, directives, rulings, instructions, licenses, or otherwise, and notwithstanding any contract entered into or any license or permit granted prior to the effective date, no property or interests in property of a specially designated narcotics trafficker that are in the United States, that hereafter come within the United States, or that are or hereafter come within the possession or control of U.S. persons, including their overseas branches, may be transferred, paid, exported, withdrawn or otherwise dealt in.
(b)
When a transaction results in the blocking of funds at a financial institution pursuant to this section and a party to the transaction believes the funds have been blocked due to mistaken identity, that party may seek to have such funds unblocked pursuant to the administrative procedures set forth in § 501.806 of this chapter.