Pub. L. 101-382, tit. III, subtit. A, pt. 1, sec. 434
ARTICLES OF SEMIPRECIOUS STONES.
SEC. 434. ARTICLES OF SEMIPRECIOUS STONES. Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: “ 9902.71.16 Graded semiprecious stones (except rock crystal) strung temporarily for convenience of trans-port (provided for in sub-heading 7116.20.20) 2.1% No change No change On or before 12/31/92 ”