in numerical sequence the following new heading: 9902.07.60 N-{2,4-Dichloro-5- [4-(difluoromethyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl] phenyl}methanesulfonamide (Sulfentrazone) (CAS No. 122836–35–5) (provided for in subheading 2935.90.75) 5.7% No change No change On or before 12/31/2020 . 653. Sulfometuron-methyl Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.61 Methyl 2-{[(4,6-dimethyl-2-pyrimidinyl) carbamoyl] sulfamoyl}benzoate (Sulfometuron-methyl) (CAS No. 74222–97–2) (provided for in subheading 2935.90.75) Free No change No change On or before 12/31/2020 . 654. Bensulfuron methyl Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.62 Methyl 2-[[[[[(4, 6-dimethoxypyrimidin-2-yl)amino] carbonyl]amino]sulfony] methyl] benzoate (Bensulfuron-methyl) (CAS No. 83055–99–6) (provided for in subheading 2935.90.75) Free No change No change On or before 12/31/2020 . 655. Tosyl-4-CPP Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.63 4-Chloro-7-(4- methylphenylsulfonyl)-7H-pyrrolo [2, 3-d] pyrimidine (CAS No. 479633–63–1) (provided for in subheading 2935.90.75) Free No change No change On or before 12/31/2020 . 656. Asulam Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.64 Sodium [(4-aminophenyl) sulfonyl](methoxycarbonyl)azanide (Asulam sodium salt) (CAS No. 2302–17–2) (provided for in subheading 2935.90.75) Free No change No change On or before 12/31/2020 . 657. Flucarbazone-sodium Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.07.65 Sodium [(3-methoxy-4-methyl-5-oxo-4, 5-dihydro-1H-1,2,4-triazol-1-yl) carbonyl]{[2-(trifluoromethoxy)phenyl]sulfonyl}azanide (Flucarbazone-sodium) (CAS No. 181274–17–9) (provided for in subheading 2935.90.75) Free No change No change On or before 12/31/2020 . 658. Pyroxsulam