§ 515.536 Certain transactions with respect to merchandise affected by § 515.204.

(a) The purchase outside the United States for importation into the United States of nickel-bearing materials presumptively subject to § 515.204 and the importation of such merchandise into the United States are authorized if there is presented to the collector of customs in connection with such importation the original of an appropriate certificate of origin as defined in paragraph (b) of this section and provided that the merchandise was shipped to the United States directly, or on a through bill of lading, from the country issuing the appropriate certificate of origin.