; and (B) U.S. Domestic Exports data, in the case of exports. (3) Exclusion of least developed countries For purposes of this subsection, the term country does not include a country that is identified on the most recent List of Least Developed Countries published by the United Nations Committee for Development Policy. (b) Action by U.S. Customs and Border Protection In the case of a country which is identified under subsection (a) for six consecutive months, U.S. Customs and Border Protection shall bar the importation of products from a country identified under subsection (a), other than those granted a waiver under subsection (c), beginning 180 days after the date on which a determination is made under subsection (a) until such time that— (1) such country is no longer identified under subsection (a); or (2) the President has provided written notice to Congress of the President’s intention to enter into negotiations with such country to enter into a trade agreement, or changes to an existing trade agreement, with such country pursuant to section 105(a)(1)(A) of the Bipartisan Congressional Trade Priorities and Accountability Act of 2015 ( 19 U.S.C. 4204(a)(1)(A) ). (c) Waiver A manufacturer, producer, or wholesaler in the United States may apply to the Department of Commerce to allow the importation of a product from a country identified under subsection (a), which the Department of Commerce shall grant— (1) if it is shown that such product is not available in sufficient quantities from other sources; and (2) for a period not to exceed one year.