ETHYL TERTIARY-BUTYL ETHER.

SEC. 484G. ETHYL TERTIARY-BUTYL ETHER. (a) In General.— Subchapter I of chapter 99 is amended by inserting in numerical sequence the following new heading: “ 9901.00.52 Ethyl tertiary-butyl ether (provided for in subheading 2909.19.10) and any mixture containing ethyl tertiary-butyl ether 6. 66¢/ liter No change (A.E.IL) 5.29¢/liter (CA) 6.66¢/liter The earlier of 12/31/92, or the date on which Treasury regulation § f 40–1 is withdrawn or declared invalid ” (b) Staged Rate Reduction.— Any staged reduction of a rate of duty set forth in heading 9901.00.50 of the Harmonized Tariff Schedule of the United States that was proclaimed by the President before the date of enactment of this Act and would otherwise take effect after the date of enactment of this Act shall also apply to the 104 STAT. 711corresponding rates of duty set forth in subheading 9901.00.52 of such Schedule. (c) Effective Date.— The amendment made by this section shall apply with respect to articles entered, or withdrawn from warehouse for consumption, on or after the date that is 15 days after the date of enactment of this Act.