; (B) by striking 5.5% and inserting 4.8% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (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 12/31/2025 . (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% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (45) Fluthiacetmethyl Heading 9902.07.29 is amended— (A) by amending the article description to read as follows: Methyl [[2-chloro-4-fluoro-5[(tetrahydro-3-oxo-1H,3H-[1,3,4]thi- adiazolo[3,4-a]pyridazin-1- ylidene)amino]phenyl]thio]acetate (Fluthiacet-methyl technical) (CAS No. 117337–19–6) (provided for in subheading 2934.99.15) ; (B) by striking Free and inserting 3% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (46) Flumioxazin Heading 9902.07.30 is amended— (A) by amending the article description to read as follows: 2-[7-Fluoro-3-oxo-4-(2-propyn-1-yl)-3,4-dihydro-2H- 1,4-benzoxazin-6-yl]-4,5,6,7-tetrahydro-1H- isoindole-1,3(2H)-dione (Flumioxazin) (CAS No. 103361–09–7) (provided for in subheading 2934.99.15) ; (B) by striking 6.1% and inserting 5.6% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (47) Buprofezin Heading 9902.07.31 is amended— (A) by amending the article description to read as follows: (2Z)-3-Isopropyl-2-[(2-methyl-2-propanyl)imino]-5-phenyl- 1,3,5-thiadiazinan-4-one (Buprofezin) (CAS No. 69327–76–0 or 953030–84–7) (provided for in subheading 2934.99.16) ; (B) by striking 1.4% and inserting Free