;5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoate (Aciflurofen) (CAS No. 62476–59–9) (provided for in subheading 3808.93.15) Free No change No change On or before 12/31/2024 . 4598. S-Metolachlor and Mestrione herbicides Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.24.10 Formulations of 2-chloro-N-(2-ethyl-6-methylphenyl)-N-[(2S)-1-methoxypropan-2-yl]acetamide (S-Metolachlor) (CAS No. 87392–12–9) and 4-amino-6-tert-butyl-3-methylsulfanyl-1,2,4-triazin-5-one (Mestrione) (CAS No. 21087–64–9) (provided for in subheading 3808.93.15) Free No change No change On or before 12/31/2024 . 4599. Metribuzin formulations Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.24.11 Formulations of 4-amino-6-tert-butyl-3-methylsulfanyl-1,2,4-triazin-5-one (Metribuzin) (CAS No. 21087–64–9) (provided for in subheading 3808.93.15) Free No change No change On or before 12/31/2024 . 4600. Pendimethaline and Metribuzine formulations Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.24.12 Formulations of 3,4-dimethyl-2,6-dinitro-N-pentan-3-ylaniline (Pendimethaline) (CAS No. 40487–42–1) and 4-amino-6-tert-butyl-3-methylsulfanyl-1,2,4-triazin-5-one (Metribuzine) (CAS No. 21087–64–9) (provided for in subheading 3808.93.15) Free No change No change On or before 12/31/2024 . 4601. Formulations of S-Metolachlor and Metribuzin Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.24.13 Formulations of 2-chloro-N-(2-ethyl-6-methylphenyl)-N-[(2S)-1-methoxypropan-2-yl]acetamide (S-Metolachlor) (CAS No. 87392–12–9) and 4-amino-6-tert-butyl-3-methylsulfanyl-1,2,4-triazin-5-one (Metribuzin) (CAS No. 21087–64–9) (provided for in subheading 3808.93.15) Free No change No change On or before 12/31/2024 . 4602. Thifensulfuron-methyl and Tribenuron-methyl formulations Subchapter II of chapter 99 is amended by inserting in