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Effective Period Rates of Duty Unit of Quantity Article Description Stat. Suf- fix Heading/ Subheading 2 1 Special General Acid Red 52 (sodium 4-[3,6-bis(diethylamino)-9-xantheniumyl]-1,3-benzenedisulfonate) (CAS No. 3520-42-1) (provided for in subheading 3204.12.20)................................................................................... 1/ 9902.08.17 On or before 12/31/2020 No change No change Free 1/ (4E)-4-[(2,5-Dichlorophenyl)hydrazono]-3-oxo-3,4-dihydro-2-naph- thalenecarboxylic acid (Acid dye for Pigment Red 144) (CAS No. 51867-77-7) (provided for in subheading 3204.12.45)...... 1/ 9902.08.18 On or before 12/31/2020 No change No change Free 1/ Tetrasodium [7-amino-3-[(3-chloro-2-hydroxy-5-nitrophenyl)azo]-4-hydroxy -2-naphthalenesulfonato(3-)][6-amino-4- hydroxy-3-[(2-hydroxy-5-nitro-3-sulfophenyl)azo]-2-naphthalene- sulfonato(4-)]-chromate(4-) (Sanodal Deep Black HBL) (CAS No. 184719-87-7) (provided for in subheading 3204.12.45).... 1/ 9902.08.19 On or before 12/31/2020 No change No change Free 1/ Acid Red 182 (sodium [4-(hydroxy-κO)-3-{[2- (hydroxy-κO)-1-naphthyl]diazenyl}benzenesulfon- amidato(2-)][4-hydroxy-3-{[2-(hydroxy-κO)-1-naphthyl]diazenyl}ben- zenesulfonamidato(2-)]cobaltate(1-)) (CAS No. 58302-43-5) (provided for in subheading 3204.12.45)................................... 1/ 9902.08.20 On or before 12/31/2020 No change No change Free 1/ Sodium 4-({3-[(E)-(2-methyl-4-{[(4-methylphenyl)sul- fonyl]oxy}phenyl)diazenyl]phenyl}amino)-3- nitrobenzenesulfonate (Acid orange 67) (CAS No. 12220-06-3) (provided for in subheading 3204.12.45) .................................. 1/ 9902.08.21 On or before 12/31/2020 No change No change Free 1/ Sodium 4-[(3-acetamidophenyl)amino]-1-amino-9,10- dioxo-9,10-dihydro-2-anthracenesulfonate (Acid blue 324) (CAS No. 70571-81-2) (provided for in subheading 3204.12.45)................................................................................... 1/ 9902.08.22 On or before 12/31/2020 No change No change Free 1/ Acid Blue 171 (Sodium [6-(amino-κN)-5-[2-[2-(hydroxy-κO)-4- nitrophenyl]diazenyl-κN1]-N-methyl-2-naphthalenesul- fonamidato(2-)][6-(amino-κN)-5-[2-[2-(hydroxy-κO)-4-nitro- phenyl]diazenyl-κN1]-2-naphthalenesulfonato(3-)]-Cobaltate(2-) (1:2) (1:2)) (CAS No. 75314-27-1) (provided for in subheading 3204.12.45)................................................................................... 1/ 9902.08.23 On or before 12/31/2020 No change No change Free 1/ Mixtures of Acid Black 220 A (Chromate(2-), [3-hydroxy-4-[(2- hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato(3-)] [1-(2- hydroxy-5-nitrophenyl)azo]-2-naphthalenolato(2-)]-, lithium sodium) (CAS No. 85828-76-8), and Acid Black 220 B (Chromate(2-), [3-hydroxy-4-[(2-hydroxy-1- naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato(3-)] [N-[7-hydroxy-8-[(2- hydroxy-5-nitrophenyl)azo]-1-naphthalenyl]acetamidato(2-)]-, lithium sodium) (CAS No. 85828-75-7) (provided for in 3204.12.45)................................................................................... 1/ 9902.08.24 On or before 12/31/2020 No change No change Free 1/ 1/ See chapter 99 statistical note 1. Rates of Duty 1 Harmonized Tariff Schedule of the United States Revision 15 (2026) Annotated for Statistical Reporting Purposes XXII 99 - II - 57 Note:The shaded areas indicate the provision has expired