SEC. 1146. ETHALFLURALIN. Subchapter II of chapter 99 is amended by inserting in the numerical sequence the following new heading: “ 9902.30.49 N-Ethyl-N-2-methyl-2-propenyl)-2,6-dinitro-4(trifluoromethyl)-bemenamine (CAS No. 55283–68–6) (provided for in subheading 2921.43.80) 3.5% No change No change On or before 12/31/2003 ”.