numerical sequence the following new heading: 9902.08.40 Pigment Orange 43/Vat Orange 7 (bisbenzimidazo [2,1- b:2',1'-i]benzo[lmn] [3,8]phenanthroline- 8, 17-dione) (CAS No. 4424–06–0) (provided for in subheading 3204.15.20) Free No change No change On or before 12/31/2020 . 732. Vat red 15 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.08.41 Vat Red 15 (bisbenzimidazo[2, 1-b:1',2'-j]benzo [lmn][3,8] phenanthroline-6,9-dione) (CAS No. 4216–02–8) (provided for in subheading 3204.15.30) Free No change No change On or before 12/31/2020 . 733. Vat blue 66 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.08.42 Vat blue 66 (9,10-Anthracenedione, 1,1ʹ-[(6-phenyl- 1,3,5-triazine-2,4-diyl)diimino]bis(3ʺ-acetyl-4-amino-)) (CAS No. 32220–82–9) (provided for in subheading 3204.15.30) Free No change No change On or before 12/31/2020 . 734. Vat blue 19 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.08.43 Vat Blue 19 (Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, bromo derivatives) (CAS No. 1328–18–3) (provided for in subheading 3204.15.30) Free No change No change On or before 12/31/2020 . 735. Reduced vat blue 43 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.08.44 Reduced Vat Blue 43 (CAS No. 85737–02–6) (provided for in subheading 3204.15.40) Free No change No change On or before 12/31/2020 . 736. Vat blue 1, reduced Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.08.45 Reduced Vat Blue 1 ([2,2'-Bi-1H-indole]- 3,3'-diol, potassium sodium salt) (CAS No. 207692–02–2) (provided for in subheading 3204.15.40) Free No change No change On or before 12/31/2020 . 737. Isoviolanthrone - vat violet 10 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.08.46 Isoviolanthrone (C.I. Vat Violet