; (B) by striking 3.2% and inserting 5.4% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (13) N-Butylthiophosphoric triamide (NBPT) Heading 9902.04.98 is amended— (A) by amending the article description to read as follows: N-Butylthiophosphoric triamide (CAS No. 94317–64–3) (provided for in subheading 2929.90.50) ; (B) by striking Free and inserting 5.1% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (14) Clethodim Heading 9902.05.05 is amended— (A) by amending the article description to read as follows: 2-[1-({[(2E)-3-Chloro-2-propen-1-yl]oxy}amino)propyli- dene]-5-[2-(ethylsulfanyl)propyl]-1,3-cyclohex- anedione (Clethodim) (CAS No. 99129–21–2) (provided for in subheading 2930.90.10) ; (B) by striking Free and inserting 3.9% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (15) AE 747 ether Heading 9902.05.07 is amended— (A) by amending the article description to read as follows: 2-Chloro-4-(methylsulfonyl)-3-((2,2,2-trifluoroethoxy)methyl) benzoic acid (CAS No. 120100–77–8) (provided for in subheading 2930.90.29) ; (B) by striking 5.7% and inserting 6% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (16) Thiodicarb Heading 9902.05.15 is amended— (A) by amending the article description to read as follows: Methyl (1E)-N-[methyl-[methyl-[(E)-1-methyl- sulfanylethylideneamino] oxycarbonylamino] sulfanyl- carbamoyl]oxyethanimidothioate (Thiodicarb) (CAS No. 59669–26–0) (provided for in subheading 2930.90.43) ; (B) by striking Free and inserting 3.6% ; and (C) by striking 12/31/2020 and inserting 12/31/2025 . (17) Glufosinate-ammonium Heading 9902.05.37 is amended— (A) by amending the article description to read as follows: 2-amino-4-[hydroxy(methyl)phosphoryl]butanoic acid;azane (Glufosinate Ammonium) (CAS No. 77182–82–2) (provided for in subheading 2931.39.00) ; (B) by striking 1.5% and inserting 3.5%