SEC. 1147. BENFLURALIN. Subchapter II of chapter 99 is amended by striking heading 9902.29.59 and by inserting the following new heading: “ 9902.29.59 N-Butyl-N-ethyl-α,α,α-trifluoro-2,6-dinitro-p-toluidine (CAS No. 1861–40–1) (provided for in subheading 2921.43.80) Free No change No change On or before 12/31/2003 ”.