; (B) by striking 2.5% and inserting 6% ; and (C) by striking 12/31/2020 and inserting 12/31/2024 . (40) Difenoconazole Heading 9902.07.14 is amended— (A) by amending the article description to read as follows: 1-({2-[2-Chloro-4-(4-chlorophenoxy)phenyl]-4-methyl-1,3- dioxolan-2-yl}methyl)-1H-1,2,4-triazole (Difenoconazole) (CAS No. 119446–68–3) (provided for in subheading 2934.99.12) ; (B) by striking 4.6% and inserting 5.6% ; and (C) by striking 12/31/2020 and inserting 12/31/2024 . (41) Fluoxastrobin Heading 9902.07.21 is amended— (A) by amending the article description to read as follows: (E)-1-[2-[6-(2-Chlorophenoxy)-5-fluoropyrimidin-4-yl]oxyphenyl]-1-(5,6-dihydro-1,4,2-dioxazin-3-yl)-N-methoxymethanimine (Fluoxastrobin) (CAS No. 361377–29–9) (provided for in subheading 2934.99.12) ; (B) by striking Free and inserting 2.8% ; and (C) by striking 12/31/2020 and inserting 12/31/2024 . (42) Isoxaflutole Heading 9902.07.22 is amended— (A) by amending the article description to read as follows: (5-Cyclopropyl-1,2-oxazol-4-yl)-[2-methylsulfonyl-4-(trifluoromethyl)phenyl]methanone (Isoxaflutole) (CAS No. 141112–29–0) (provided for in subheading 2934.99.15) ; (B) by striking 5.5% and inserting 4.8% ; and (C) by striking 12/31/2020 and inserting 12/31/2024 . (43) Pinoxaden Heading 9902.07.26 is amended— (A) by amending the article description to read as follows: 8-(2,6-Diethyl-4-methylphenyl)-1,2,4,5-tetrahydro-7-oxo- 7H-pyrazolo[1,2-d][1,4,5]oxadiazepin-9-yl-2,2- dimethylpropanoate (Pinoxaden) (CAS No. 243973–20–8) (provided for in subheading 2934.99.15) ; (B) by striking 5.4% and inserting Free ; and (C) by striking 12/31/2020 and inserting 12/31/2024 . (44) Isoxaben technical herbicide Heading 9902.07.27 is amended— (A) by amending the article description to read as follows: 2,6-Dimethoxy-N-[3-(3-methyl-3-pentanyl)-1,2-oxazol-5- yl]benzamide (isoxaben) (CAS No. 82558–50–7) (provided for in subheading 2934.99.15) ; (B) by striking 3.1% and inserting 2.7%