Pub. L. 101-382, tit. III, subtit. A, pt. 1, sec. 427
1-SOINDOLENINE RED PIGMENT.
SEC. 427. 1-SOINDOLENINE RED PIGMENT. Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: “ 9902.32.30 Isoindolenine red pigment (CAS No. 71552–60–8) (provided for in sub-heading 3204.17.30) Free No change No change On or before 12/81/92 ”