SEC. 1186. CERTAIN TAED CHEMICALS. Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: “ 9902.29.70 Tetraacetylethylenediamine (CAS Nos. 10543–67–4) (provided for in subheading 2924.10.10) Free No change No change On or before 12/31/2003 ”.