Acid blue 324 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.08.22 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) Free No change No change On or before 12/31/2020 . 714. Acid blue 171 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.08.23 Acid Blue 171 (Sodium [6-(amino-κN)-5-[2-[2- (hydroxy-κO)-4-nitrophenyl] diazenyl-κN1]-N-methyl-2- naphthalenesulfonamidato (2-)] [6-(amino-κN)-5-[2-[2- (hydroxy-κO)-4-nitrophenyl] diazenyl-κN1]-2-naphthalenesulfonato (3-)]-Cobaltate(2-) (1:2) (1:2)) (CAS No. 75314–27–1)(provided for in subheading 3204.12.45) Free No change No change On or before 12/31/2020 . 715. Mixture of acid black 220A and acid black 220 B Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.08.24 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) Free No change No change On or before 12/31/2020 . 716. Acid red 87 (eosine disodium salt) Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.08.25 Acid Red 87 (eosine disodium salt) (disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate) (CAS No. 17372–87–1) (provided for in subheading 3204.12.50) Free No change No change On or before 12/31/2020 . 717. Acid dyes