; (2,6-dibromo-4-cyanophenyl) octanoate (Bromoxynil Octanoate) (CAS No. 1689–99–2); 2,6-dibromo-4-cyanophenyl heptanoate (Bromoxynil Heptanoate) (CAS No. 56634–95–8); and diethyl 1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole-3,5-dicarboxylate (Mefenpyr-diethyl) (CAS No. 135590–91–9) (provided for in subheading 3808.93.15) ; (B) by striking 3.7% and inserting 2.6% ; and (C) by striking 12/31/2020 and inserting 12/31/2024 . (59) Asulam sodium salt formulations Heading 9902.09.96 is amended— (A) by amending the article description to read as follows: Mixtures of methyl sulfanilylcarbamate, sodium salt (Asulam sodium salt) (CAS No. 2302–17–2) and application adjuvants (provided for in subheading 3808.93.15) ; (B) by striking 2.0% and inserting 3.7% ; and (C) by striking 12/31/2020 and inserting 12/31/2024 . (60) Isoxaflutole and Cyprosulfamide formulations Heading 9902.10.01 is amended— (A) by amending the article description to read as follows: Mixtures containing 5-cyclopropyl-4-(2-mesyl-4-trifluoromethylbenzoyl) isoxazole (Isoxaflutole) (CAS No. 141112–29–0) and N-({4-[(cyclopropylamino) carbonyl]phenyl} sulfonyl)-2-methoxybenzamide (Cyprosulfamide) (CAS No. 221667–31–8) (provided for in subheading 3808.93.15) ; (B) by striking 2.5% and inserting 5% ; and (C) by striking 12/31/2020 and inserting 12/31/2024 . (61) Isoxadifen-ethyl and Tembotrione formulations Heading 9902.10.02 is amended— (A) by amending the article description to read as follows: Product mixtures containing ethyl 5,5-diphenyl-4H-1,2-oxazole-3-carboxylate (Isoxadifen-ethyl) (CAS No. 163520–33–0) and 2-{2-chloro-4-(methylsulfonyl)-3-[(2,2,2-trifluoroethoxy)methyl]benzoyl} -1,3-cyclohexanedione (Tembotrione) (CAS No. 335104–84–2) (provided for in subheading 3808.93.15) ; (B) by striking 1.3% and inserting Free