phosphorothioate (Profenofos) (CAS 41198–08–7) (provided for in 2930.90.10) Free No change No change On or before 12/31/2020 . 399. Clethodim Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.05.05 2-[1-({[(2E)-3-Chloro-2-propen-1-yl]oxy}amino)propylidene]-5-[2-(ethylsulfanyl)propyl]-1,3-cyclohexanedione (Clethodim) (CAS No. 99129–21–2) (provided for in subheading 2930.90.10) Free No change No change On or before 12/31/2020 . 400. Topsin Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.05.06 Dimethyl (1,2-phenylenedicarbamothioyl)biscarbamate (Thiophanate methyl) (CAS No. 23564–05–8) (provided for in subheading 2930.90.10) Free No change No change On or before 12/31/2020 . 401. AE 747 ether Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.05.07 2-Chloro-4-(methylsulfonyl)-3-((2,2,2-trifluoroethoxy)methyl) benzoic acid (CAS No. 120100–77–8) (provided for in subheading 2930.90.29) 5.8% No change No change On or before 12/31/2020 . 402. 2-(Methylthio)-4-(trifluoromethyl)benzoic acid Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.05.08 2-(Methylthio)-4-(trifluoromethyl)benzoic acid (MTBA) (CAS No. 142994–05–6) (provided for in subheading 2930.90.29) Free No change No change On or before 12/31/2020 . 403. Optical brightener Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.05.09 Disodium 2,2'-[biphenyl-4,4'-diyldiethene-2,1-diyl]dibenzenesulfonate (CAS No. 27344–41–8) (provided for in subheading 2930.90.29) Free No change No change On or before 12/31/2020 . 404. 4,6-Bis(octylthiomethyl)-o- (irganox 1520 L) Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.05.10 4,6-Bis(octylthiomethyl)-o-cresol (CAS No. 110553–27–0) (provided for in subheading 2930.90.29) Free No change No change On