of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.64 N-Carbamimidoylglycine (Guanidinoacetic acid) (CAS No. 352–97–6) (provided for in subheading 2925.29.90) Free No change No change On or before 12/31/2020 . 360. Chlorothalonil Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.65 2,4,5,6-Tetrachloroisophthalonitrile (Chlorothalonil) (CAS No. 1897–45–6) (provided for in subheading 2926.90.21) 5.4% No change No change On or before 12/31/2020 . 361. 2-Methoxlyethyl(RS)-2-(4-tert-(cyflumetafen) Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.66 2-Methoxyethyl 2-cyano-2-[4-(2-methyl-2-propanyl)phenyl]-3-oxo-3-[2-(trifluoromethyl)phenyl]propanoate (Cyflumetafen) (CAS No. 400882–07–7) (provided for in subheading 2926.90.25) Free No change No change On or before 12/31/2020 . 362. Bromoxynil octanoate Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.67 2,6-Dibromo-4-cyanophenyl octanoate (Bromoxynil octanoate) (CAS No. 1689–99–2) (provided for in subheading 2926.90.25) 0.2% No change No change On or before 12/31/2020 . 363. Bromoxynil heptanoate Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.68 2,6-Dibromo-4-cyanophenyl heptanoate (Bromoxynil heptanoate) (CAS No. 56634–95–8) (provided for in subheading 2926.90.25) Free No change No change On or before 12/31/2020 . 364. Cyhalofop-butyl technical Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.69 Butyl (2R)-2-[4-(4-cyano-2-fluorophenoxy)phenoxy]propanoate (Cyhalofop-butyl) (CAS No. 122008–85–9) (provided for in subheading 2926.90.25) Free No change No change On or before 12/31/2020 . 365. β-Cyfluthrin Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.04.70