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Effective Period Rates of Duty Unit of Quantity Article Description Stat. Suf- fix Heading/ Subheading 2 1 Special General Mixtures of copper oxychloride (CAS No. 1332-40-7) and copper hydroxide (CAS No. 20427-59-2) (provided for in subheading 3808.92.30).............................................................. 1/ 9902.09.76 On or before 12/31/2020 No change No change Free 1/ Mixtures of copper dihydroxide (cupric hydroxide) (CAS No. 20427-59-2) and application adjuvants (provided for in subheading 3808.92.30).............................................................. 1/ 9902.09.77 On or before 12/31/2020 No change No change Free 1/ Mixtures containing (1S,2R,3S,4R,5S,6S)-2,3,4,5,6-Pentahydroxycyclohexyl 2-amino-4-{[carboxy(imino) methyl]amino}-2,3,4,6-tetradeoxy-α-D-arabino-hexopyranoside (CAS No. 19408-46-9) (Kasugamycin) and application adjuvants (provided for in subheading 3808.92.50) ................ 1/ 9902.09.78 On or before 12/31/2020 No change No change Free 1/ Formulations of zinc 1-{(2R, 3R, 4S, 5R)-5-[(S)-{[(2S, 3S, 4S)-2-amino-5-(carbamoyloxy) -3,4-dihydroxypentanoyl] amino}(carboxylato)methyl] -3,4-dihydroxytetrahydro-2-furanyl}-2,4-dioxo-1,2,3,4-tetrahydro -5-pyrimidinecarboxylate (Polyoxin D Zinc Salt) (CAS No. 146659-78-1) (provided for in subheading 3808.92.50) ......... 1/ 9902.09.79 On or before 12/31/2020 No change No change Free 1/ Mixtures of N,N-dimethyl-3-[(propoxycarbonyl)amino]-1-propanaminium chloride (Propamocarb hydrochloride) (CAS No. 25606-41-1) and application adjuvants (provided for in subheading 3808.92.50) .................................................................................. 1/ 9902.09.80 On or before 12/31/2020 No change No change Free 1/ Mixtures containing β-conglutin and application adjuvants used as a fungicide (provided for in subheading 3808.92.50).......... 1/ 9902.09.81 On or before 12/31/2020 No change No change Free 1/ Mixtures of 1-dodecylguanidine acetate (1:1) (Dodine) (CAS No. 2439-10-3) and application adjuvants (provided for in subheading 3808.92.50).............................................................. 1/ 9902.09.82 On or before 12/31/2020 No change No change Free 1/ 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) ...... 1/ 9902.09.83 On or before 12/31/2020 No change No change Free 1/ Mixtures containing 5-methyl-1,2-oxazol-3(2H)-one (Hymexazol) (CAS No. 10004-44-1) (provided for in subheading 3808.92.50).............................................................. 1/ 9902.09.84 On or before 12/31/2020 No change No change Free 1/ Product mixtures containing sodium {[2-(methoxycarbonyl) phenyl]sulfonyl} [(4,5-dihydro-4-methyl-5-oxo-3-propoxy-1H-1,2,4-triazol-1-yl) carbonyl] azanide (Propoxycarbazone sodium) (CAS No. 181274-15-7) (provided for in subheading 3808.93.15).......... 1/ 9902.09.85 On or before 12/31/2020 No change No change 3.8% 1/ 1/ See chapter 99 statistical note 1. Rates of Duty 1 Harmonized Tariff Schedule of the United States Revision 15 (2026) Annotated for Statistical Reporting Purposes XXII 99 - II - 74 Note:The shaded areas indicate the provision has expired