(a) The prohibitions in §§ 539.201 and 539.202 apply to the importation into the United States, for transshipment or transit, of goods, technology, or services produced or provided by a designated foreign person that are intended or destined for third countries.

(b) In the case of goods or technology transported by vessel, the prohibitions in §§ 539.201 and 539.202 apply to the unlading in the United States and the intent to unlade in the United States of goods or technology produced or provided by a designated foreign person that is intended or destined for third countries.