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Effective Period Rates of Duty Unit of Quantity Article Description Stat. Suf- fix Heading/ Subheading 2 1 Special General 2-Methyl-1-nitro-3-(tetrahydro-2-furanylmethyl)guanidine (Dinotefuran) (CAS No. 165252-70-0) (provided for in subheading 2932.19.51).............................................................. 1/ 9902.05.45 On or before 12/31/2020 No change No change Free 1/ 3,6-Anhydro-1-O-octanoylhexitol (sorbitan caprylate) (CAS No. 60177-36-8) (provided for in subheading 2932.19.51)...... 1/ 9902.05.46 On or before 12/31/2020 No change No change Free 1/ O-(3-Chloro-4-methyl-2-oxo-2H-chromen-7-yl) O,O-diethyl phosphorothioate (Coumaphos) (CAS No. 56-72-4) (provided for in subheading 2932.20.10).................................................... 1/ 9902.05.47 On or before 12/31/2020 No change No change Free 1/ 3-Mesityl-2-oxo-1-oxaspiro[4.4]non-3-en-4-yl 3,3-dimethylbutyrate (Spiromesifen) (CAS No. 283594-90-1) (provided for in subheading 2932.20.10)................................... 1/ 9902.05.48 On or before 12/31/2020 No change No change Free 1/ 3-(2,4-Dichlorophenyl)-2-oxo-1-oxaspiro[4.5] dec-3-en-4-yl 2,2-dimethylbutanoate (Spirodiclofen) (CAS No. 148477-71-8) (provided for in subheading 2932.20.10)................................... 1/ 9902.05.49 On or before 12/31/2020 No change No change 1.9% 1/ 4-Hydroxy-3-(3-(4'-bromo-4-biphenylyl)-1,2,3,4-tetrahydro-1-naph- thyl)coumarin (Brodifacoum) (CAS No. 56073-10-0) (provided for in subheading 2932.20.10).................................................... 1/ 9902.05.50 On or before 12/31/2020 No change No change Free 1/ (4''R)-4''-Deoxy-4''-(methylamino)avermectin b1 benzoate (CAS No. 155569-91-8) (provided for in subheading 3824.99.92 or 2932.20.50).......................................................... 1/ 9902.05.51 On or before 12/31/2020 No change No change Free 1/ Mixtures of gibberellic acid (CAS No. 77-06-5), gibberellin A4 (CAS No. 468-44-0) and gibberellin A7 (CAS No. 510-75-8) (provided for in subheading 2932.20.50) .................................. 1/ 9902.05.52 On or before 12/31/2020 No change No change Free 1/ Erythorbic acid ((5R)-5-[(1R)-1,2-dihydroxyethyl]-3,4-dihydroxy-2(5H)-furanone) (CAS No. 89-65-6) (provided for in subheading 2932.20.50).. 1/ 9902.05.53 On or before 12/31/2020 No change No change Free 1/ Sodium erythorbate (sodium (2R)-2-[(2R)-4,5-dihydroxy- 3-oxo-2,3-dihydro-2-furanyl]-2-hydroxyethanolate) (CAS No. 6381-77-7) (provided for in subheading 2932.20.50).............. 1/ 9902.05.54 On or before 12/31/2020 No change No change Free 1/ (RS)-2-Ethoxy-2,3-dihydro-3,3-dimethylbenzofuran-5-yl methanesulfonate (Ethofumesate) (CAS No. 26225-79-6) (provided for in subheading 2932.99.08)................................... 1/ 9902.05.55 On or before 12/31/2020 No change No change Free 1/ 2,2-Dimethyl-2,3-dihydro-1-benzofuran-7-yl [(dibutylamino)sulfanyl]methylcarbamate (Carbosulfan Technical) (CAS No. 55285-14-8) (provided for in subheading 2932.99.20)................................................................................... 1/ 9902.05.56 On or before 12/31/2020 No change No change Free 1/ 3-(1,3-Benzodioxol-5-yl)-2-methylpropanal (Helional) (CAS No. 1205-17-0) (provided for in subheading 2932.99.70)....... 1/ 9902.05.57 On or before 12/31/2020 No change No change Free 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 - 32 Note:The shaded areas indicate the provision has expired