Pub. L. 109-432, div. D, tit. I, subtit. A, ch. 1, sec. 1176
PHOSPHOR ZINC SILICATE.
SEC. 1176. PHOSPHOR ZINC SILICATE. Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: “ 9902.22.67Phosphor of zinc silicate, of a kind used as a luminophore (CAS No. 68611–47–2) (provided for in subheading 3206.50.00)FreeNo changeNo changeOn or before 12/31/2009”.