12/31/2020 . 994. Poly(ethyl acrylate-co-methyl methacrylate) Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.11.08 Poly(ethyl acrylate-co-methyl methacrylate-co-trimethylammonioethyl methacrylate chloride) (CAS No. 33434–24–1) (provided for in subheading 3906.90.50) Free No change No change On or before 12/31/2020 . 995. Poly(methacrylic acid-co-methyl methacrylate) 1:1 Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.11.09 Poly(methacrylic acid-co-methyl methacrylate) (CAS No. 25086–15–1) (provided for in subheading 3906.90.50) Free No change No change On or before 12/31/2020 . 996. Poly(methyl acrylate-co-methyl methacrylate Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.11.10 Poly(methyl acrylate-co-methyl methacrylate-co-methacrylic acid) 7:3:1 (CAS No. 26936–24–3) (provided for in subheading 3906.90.50) Free No change No change On or before 12/31/2020 . 997. Zeba Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.11.11 Starch-g-poly (propenamide-co-2-propenoic acid) potassium salt (CAS No. 863132–14–3) (Zeba) (provided for in subheading 3906.90.50) Free No change No change On or before 12/31/2020 . 998. UV absorber Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.11.12 Mixtures of α-(3-(3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl)-1-ox opropyl)-ω-hydroxy-poly(oxy-1,2-ethanediyl) (CAS No. 104810–48–2)