; (B) by striking Free and inserting 1.1% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (3) Bifenthrin Heading 9902.02.86 is amended— (A) by amending the article description to read as follows: 2-Methylbiphenyl-3-ylmethyl (1RS,3RS)-3-[(Z)-2-chloro-3,3,3-trifluoroprop-1-enyl]-2,2-dimethylcyclopropanecar-boxylate (Bifenthrin) (CAS No. 82657–04–3) (provided for in subheading 2916.20.50) ; (B) by striking 2.4% and inserting 3.3% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (4) Trinexapac-ethyl Heading 9902.03.31 is amended— (A) by amending the article description to read as follows: Ethyl (RS)-4-cyclopropyl(hydroxy)methylene-3,5-dioxocyclohexanecarboxylate (Trinexapac-ethyl) (CAS No. 95266–40–3) (provided for in subheading 2918.99.50) ; (B) by striking Free and inserting 2.5% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (5) 3,3′ Dichlorobenzidine dihydrochloride Heading 9902.03.88 is amended— (A) by amending the article description to read as follows: 3,3′-Dichlorobenzidine dihydrochloride (3,3′-Dichloro-4,4′-biphenyldiamine dihydrochloride) (CAS No. 612–83–9) (provided for in subheading 2921.59.80) ; (B) by striking Free and inserting 0.8% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (6) 4-(4-Aminophenoxy)aniline Heading 9902.04.01 is amended— (A) by amending the article description to read as follows: 4-(4-Aminophenoxy)aniline (CAS No. 101–80–4) (provided for in subheading 2922.29.81) ; (B) by striking 1.3% and inserting 3.3% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (7) S-Metolachlor Heading 9902.04.43 is amended— (A) by amending the article description to read as follows: 2-Chloro-N-(2-ethyl-6-methylphenyl)-N-[(1S)-2-meth- oxy-1-methylethyl]acetamide ((S)-Metolachlor) (CAS No. 87392–12–9) (provided for in subheading 2924.29.47) ; (B) by striking 6.0% and inserting 6.3%