of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.09.82 Mixtures of 1-dodecylguanidine acetate (1:1) (Dodine) (CAS No. 2439–10–3) and application adjuvants (provided for in subheading 3808.92.50) Free No change No change On or before 12/31/2020 . 872. Fysium packs Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.09.83 Formulated fungicide kit consisting of individual packs of tetra-n-butylammonium fluoride (CAS No. 87749–50–6), dimethylsulfoxide (CAS No. 67–68–5), 2-(butyldimethylsilyl)-1-methylcyclopropanol-1-methanesulfonate (CAS No. 1446996–86–6), and sodium hydroxide solution (CAS No. 1310–73–2) (provided for in subheading 3808.92.50) Free No change No change On or before 12/31/2020 . 873. Tachigaren 70WP Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.09.84 Mixtures containing 5-methyl-1,2-oxazol-3(2H)-one (Hymexazol) (CAS No. 10004–44–1) (provided for in subheading 3808.92.50) Free No change No change On or before 12/31/2020 . 874. Propoxycarbazone-sodium formulations (olympus) Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.09.85 Product mixtures containing sodium {[2-(methoxycarbonyl)phenyl]sulfonyl}[(4,5-dihydro-4-methyl-5-oxo-3-propox y-1H-1,2,4-triazol-1-yl)carbonyl]azanide (Propoxycarbazone sodium) (CAS No. 181274–15–7) (provided for in subheading 3808.93.15) 3.8% No change No change On or before 12/31/2020 . 875. Huskie herbicide Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.09.86 Product mixtures containing (5-hydroxy-1,3-dimethyl-1H-pyrazol-4-yl)[2-(methylsulfonyl)-4-(trifluorome thyl)phenyl]methanone (Pyrasulfotole) (CAS No. 365400–11–9)