(1) Exclusions The President may, subject to terms and conditions determined appropriate by the President, provide that the entry, or withdrawal from warehouse, for consumption in the United States of an agricultural product shall not be subject to the over-quota rate of duty established under a tariff-rate quota if the agricultural product
(A) is imported by, or for the account of, any agency of the United States or of any foreign embassy;
(B) is imported as a sample for taking orders, for the personal use of the importer, or for the testing of equipment;
(C) is a commercial sample or is entered for exhibition, display, or sampling at a trade fair or for research; or
(D) is a blended syrup provided for in subheadings 1702.20.28, 1702.30.28, 1702.40.28, 1702.60.28, 1702.90.58, 1806.20.92, 1806.20.93, 1806.90.38, 1806.90.40, 2101.10.38, 2101.20.38, 2106.90.38, or 2106.90.67 of Schedule XX, if entered from a foreign trade zone by a foreign trade zone user whose facilities were in operation on June 1, 1990, to the extent that the annual quantity entered into the customs territory from such zone does not contain a quantity of sugar of nondomestic origin greater than the quantity authorized by the Foreign Trade Zones Board for processing in that zone during calendar year 1985.
(2) Reclassification Subject to the consultation and layover requirements of section
3524 of this title, the President may proclaim a modification to the coverage of a tariff-rate quota for any agricultural product if the President determines the modification is necessary or appropriate to conform the tariff-rate quota to Schedule XX as a result of a reclassification of any item by the Secretary of the Treasury.
(4) Bilateral agreement The President may proclaim an increase in the tariff-rate quota for beef if the President determines that an increase is necessary to implement
(A) the March 24, 1994, agreement between the United States and Argentina; or
(B) the March 9, 1994, agreement between the United States and Uruguay.