((a)) ** In general** In addition to the authority provided by , the President shall have the authority to proclaim—

((1)) such other modification of any duty,

((2)) such other staged rate reduction, or

((3)) such additional duties,

((b)) ** Other tariff modifications** Subject to the consultation and layover requirements of , the President may proclaim—

((1)) the modification of any duty or staged rate reduction of any duty set forth in Schedule XX if—

((A)) the United States agrees to such modification or staged rate reduction in a multilateral negotiation under the auspices of the WTO, and

((B)) such modification or staged rate reduction applies to the rate of duty on an article contained in a tariff category that was the subject of reciprocal duty elimination or harmonization negotiations during the Uruguay Round of multilateral trade negotiations, and

((2)) such modifications as are necessary to correct technical errors in Schedule XX or to make other rectifications to the Schedule.

((c)) ** Authority to increase duties on articles from certain countries**

((1)) ** In general**

((A)) ** Determination with respect to certain countries** Notwithstanding , after the entry into force of the WTO Agreement with respect to the United States, if the President—

((i)) determines that a foreign country (other than a foreign country that is a WTO member country) is not according adequate trade benefits to the United States, including substantially equal competitive opportunities for the commerce of the United States, and

((ii)) consults with the Committee on Ways and Means of the House of Representatives and the Committee on Finance of the Senate,

((B)) ** Rate of duty described** The President may proclaim a rate of duty on any article of a country identified under subparagraph (A) that is equal to the greater of—

((i)) the rate of duty set forth for such article in the base rate of duty column of Schedule XX, or

((ii)) the rate of duty set forth for such article in the bound rate of duty column of Schedule XX.

((2)) ** Termination of increased duties** The President shall terminate any increase in the rate of duty proclaimed under this subsection by a proclamation which shall be effective on the earlier of—

((A)) the date set out in such proclamation of termination, or

((B)) the date the WTO Agreement enters into force with respect to the foreign country with respect to which the determination under paragraph (1) was made.

((3)) ** Publication of determination and termination** The President shall publish in the Federal Register notice of a determination made under paragraph (1) and a termination occurring by reason of paragraph (2).

((d)) ** Adjustments to certain column 2 rates of duty** At such time as the President proclaims any modification to the HTS to implement the provisions of Schedule XX, the President shall also proclaim the rate of duty set forth in Column B as the column 2 rate of duty for the subheading of the HTS that corresponds to the subheading in Schedule XX listed in Column A.

((e)) ** Authority to consolidate subheadings and modify column 2 rates of duty for tariff simplification purposes**

((1)) ** In general** Whenever the HTS column 1 general rates of duty for 2 or more 8-digit subheadings are at the same level and such subheadings are subordinate to a provision required by the International Convention on the Harmonized Commodity Description and Coding System, the President may proclaim, subject to the consultation and layover requirements of , that the goods described in such subheadings be provided for in a single 8-digit subheading of the HTS, and that—

((A)) the HTS column 1 general rate of duty for such single subheading be the column 1 general rate of duty common to all such subheadings, and

((B)) the HTS column 2 rate of duty for such single subheading be the highest column 2 rate of duty for such subheadings that is in effect on the day before the effective date of such proclamation.

((2)) ** Same level of duty** The provisions of this subsection apply to subheadings described in paragraph (1) that have the same column 1 general rate of duty—

((A)) on , or

((B)) after , as a result of a staged reduction in such column 1 rates of duty.