; (B) by striking 1.4% and inserting Free ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (48) Sarolaner Heading 9902.07.38 is amended— (A) by amending the article description to read as follows: 1-{5′-[(5S)-5-(3,5-Dichloro-4-fluorophenyl)-4,5-dihydro-5- (trifluoromethyl)-1,2-oxazol-3-yl]-1H,3′H-spiro[azetidine-3,1′- [2]benzofuran]-1-yl}-2-mesylethanone (Sarolaner) (CAS No. 1398609–39–6) (provided for in subheading 2934.99.30) ; (B) by striking Free and inserting 4.5% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (49) Isoxadifen-ethyl Heading 9902.07.43 is amended— (A) by amending the article description to read as follows: Ethyl 5,5-diphenyl-4H-1,2-oxazole-3-carboxylate (Isoxadifen-ethyl) (CAS No. 163520–33–0) (provided for in subheading 2934.99.39) ; (B) by striking 4.0% and inserting 5.6% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (50) Pyroxasulfone technical Heading 9902.07.53 is amended— (A) by amending the article description to read as follows: 3-({[5-(Difluoromethoxy)-1-methyl-3-(trifluoromethyl)-1H- pyrazol-4-yl]methyl}sulfonyl)-5,5-dimethyl-4,5- dihydro-1,2-oxazole (Pyroxasulfone) (CAS No. 447399–55–5) (provided for in subheading 2934.99.90) ; (B) by striking 3.5% and inserting 6.3% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (51) Triasulfuron Heading 9902.07.57 is amended— (A) by amending the article description to read as follows: 2-(2-Chloroethoxy)-N-[(4-methoxy-6-methyl-1,3,5-triazin-2- yl)carbamoyl]benzenesulfonamide (Triasulfuron) (CAS No. 82097–50–5) (provided for in subheading 2935.90.75) ; (B) by striking 0.4% and inserting Free ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (52) Trifloxysulfuron Heading 9902.07.58 is amended— (A) by amending the article description to read as follows: Sodium 4,6-dimethoxy-2-[({[3-(2,2,2-trifluoro- ethoxy)pyridin-2-yl]sulfonyl}carbamoyl)imino]- 2H-pyrimidin-1-ide (Trifloxysulfuron-sodium) (CAS No. 199119–58–9) (provided for in subheading 2935.90.75)