Pub. L. 101-382, tit. III, subtit. A, pt. 1, sec. 450F
METALLURGICAL FLUORSPAR.
SEC. 450F. METALLURGICAL FLUORSPAR. Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: “ 9902.25.29 Fluorspar containing by weight 97 percent or less of calcium fluoride (provided for in subheading 2529.21.00) Free No change No change On or before 12/31/92 ”