194 1 SEC. 224. TREATMENT OF CONVERTED RATES AS EXISTING 2 RATES FOR PURPOSES OF TRADE AGREEMENT 3 AUTHORITY. 4 For purposes of sections 101 and 601(7) of the Trade 5 Act of 1974 (19 U.S.C. 2111 and 2481(7)), the rates of duty 6 appearing in rate column numbered 1 of the amendments, if 7 any, made under this subtitle shall be considered to be the & rates of duty existing or in effect on January 1, 1975. 9 SEC. 225. MODIFICATION OF TARIFF TREATMENT OF CERTAIN 10 CHEMICALS AND CHEMICAL PRODUCTS. 11 The President may proclaim a modification of the article 12 descriptions in subparts B and C of part 1 of schedule 4 (as 13 amended by section 223(d)) in order to transfer from any item 14 within those subparts to any other item within those subparts 15 (taking into account proper chemical nomenclature and cus16 toms classification principles) any individual chemicals or 17 products with respect to which a negotiating partner in the 18 Tokyo Round of the Multilateral Trade Negotiations submit19 ted notice, before July 31, 1979, to the United States that 20 the rate of duty in such subpart for such chemicals or prod21 ucts that would apply but for this section is, based on past 22 import data for the chemical or product, inappropriate and 23 non-representative; but the President may not make a modifi24 cation under this section with respect to any such chemical or 25 product unless the United States International Trade Com26 mission determines before January 1, 1980, that— |