; 5-methyl-2-[4-[(E)-2-[4-(5-methyl-1,3-benzoxazol-2-yl)phenyl]ethenyl]phenyl]-1,3-benzoxazole (CAS No. 2397–00–4) and 2-[4-[(E)-2-[4-(1,3-benzoxazol-2-yl)phenyl]ethenyl]phenyl]-5-methyl-1,3-benzoxazole (CAS No. 5242–49–9) (provided for in subheading 3204.20.80) Free No change No change On or before 12/31/2024 . 4537. 1,4-Bis(2-cyanostyryl)benzene Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.23.48 2-[(E)-2-[4-[(E)-2-(2-Cyanophenyl)ethenyl] phenyl]ethenyl]benzonitrile (CAS No. 13001–39–3) (provided for in subheading 3204.20.80) Free No change No change On or before 12/31/2024 . 4538. Certain manufacturing inputs Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.23.49 1-[3-(Dimethylamino)propyl]-4-methyl-6-oxo-3-pyridin-1-ium-1-ylpyridin-2-olate (CAS No. 104583–33–7) (provided for in subheading 3204.90.00) Free No change No change On or before 12/31/2024 . 4539. Cerium sulfide pigments Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.23.50 Pigment preparations based on cerium sulfide or mixtures of cerium sulfide and lanthanum sulfide (CAS Nos. 12014–93–6 and 12031–49–1) (provided for in subheading 3206.49.60) Free No change No change On or before 12/31/2024 . 4540. Matte pearlescent pigments Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.23.51 Coloring matter of mica (CAS No. 12001–26–2) and titanium dioxide (CAS No. 13463–67–7), coated with submicron poly(methyl methacrylate) (CAS No. 9011–14–7) spheres to create a matte optical effect (provided for in subheading 3206.49.60) Free No change No change On or before 12/31/2024 . 4541. Angle-dependent interference pigments Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.23.52 Angle-dependent interference pigments based on a substrate of transparent or translucent inorganic flakes of