Pub. L. 101-382, tit. III, subtit. A, pt. 1, sec. 402
SULFACHLOROPYRIDAZINE.
SEC. 402. SULFACHLOROPYRIDAZINE. Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: “ 9902.30.97 Sulfachloropyridazine (provided for in subheading 2935.00.39) Free No change No change On or before 12/31/92 ”