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Effective Period Rates of Duty Unit of Quantity Article Description Stat. Suf- fix Heading/ Subheading 2 1 Special General (2Z)-3-Isopropyl-2-[(2-methyl-2-propanyl)imino]-5-phenyl- 1,3,5-thiadiazinan-4-one (Buprofezin) (CAS No. 69327-76-0 or 953030-84-7) (provided for in subheading 2934.99.16)...... 1/ 9902.07.31 On or before 12/31/2020 No change No change 1.4% 1/ 4-{[(6-Chloro-3-pyridinyl)methyl](2,2-difluoroethyl)amino}- 2(5H)-furanone (Flupyradifurone) (CAS No. 951659-40-8) (provided for in subheading 2934.99.16)................................... 1/ 9902.07.32 On or before 12/31/2020 No change No change Free 1/ 4-[5-(3,5-Dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro- 1,2-oxazol-3-yl]-2-methyl-N-{2-oxo-2-[(2,2,2- trifluoroethyl)amino]ethyl}benzamide (Fluralaner) (CAS No. 864731-61-3) (provided in subheading 2934.99.16)............... 1/ 9902.07.33 On or before 12/31/2020 No change No change Free 1/ 10,10'-Oxybis(10H-phenoxarsinine) (CAS No. 58-36-6) (provided for in subheading 2934.99.18)................................... 1/ 9902.07.34 On or before 12/31/2020 No change No change Free 1/ 2-(2,6-Difluorophenyl)-4-[2-ethoxy-4-(2-methyl-2-propanyl)phenyl]- 4,5-dihydro-1,3-oxazole (Etoxazole) (CAS No. 153233-91-1) (provided for in subheadling 2934.99.18).................................. 1/ 9902.07.35 On or before 12/31/2020 No change No change 4.5% 1/ 3-Phenyl-5-(2-thienyl)-1,2,4-oxadiazole (Tioxazafen) (CAS No. 330459-31-9) (provided for in subheading 2934.99.18).... 1/ 9902.07.36 On or before 12/31/2020 No change No change Free 1/ 4-[(1-Hydroxy-1,3-dihydro-2,1-benzoxaborol-5- yl)oxy]benzonitrile (Crisaborole) (CAS No. 906673-24-3) (provided for in subheading 2934.99.30)................................... 1/ 9902.07.37 On or before 12/31/2020 No change No change 6.3% 1/ 1-{5′-[(5S)-5-(3,5-Dichloro-4-fluorophenyl)-4,5-dihydro-5- (trifluoromethyl)-1,2-oxazol-3-yl]-1H,3′H-spiro[azetidine-3,1′- [2]benzofuran]-1-yl}-2-mesylethanone (Sarolaner) (CAS No. 1398609-39-6) (provided for in subheading 2934.99.30)........ 1/ 9902.07.38 On or before 12/31/2020 No change No change Free 1/ Methyl {(2S)-1-[(2S)-2-{4-[(6S)-3-{2-[(2S)-1-{(2S)-2- [(methoxycarbonyl)amino]-3-methylbutanoyl}-2-pyr- rolidinyl]-1H-imidazol-4-yl}-6-phenylindolo[1,2-c][1,3]ben- zoxazin-10-yl]-1H-imidazol-2-yl}-1-pyrrol idinyl]-3-methyl-1-oxo-2-butanyl}carbamate (Elbasvir) (CAS No. 1370468-36-2) (provided for in subheading 2934.99.30).. 1/ 9902.07.39 On or before 12/31/2020 No change No change Free 1/ Propan-2-yl (2R)-2-{((R)-({(2R,3R,4R,5R)-4-chloro- 5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3-hydroxy-4- methyloxolan-2-yl}methoxy)(phenoxy)phos- phoryl)amino}propanoate (Uprifosbuvir) (CAS No.1496551-77-9) (provided for in subheading 2934.99.30 or 2934.99.39)................................................................................... 1/ 9902.07.40 On or before 12/31/2020 No change No change Free 1/ [(7R)-4-(5-Chloro-1,3-benzoxazol-2-yl)-7-methyl-1,4- diazepan-1-yl][5-methyl-2-(2H-1,2,3-triazol-2- yl)phenyl]methanone (Suvorexant) (CAS No. 1030377-33-3) (provided for in subheading 2934.99.30)................................... 1/ 9902.07.41 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 - 47 Note:The shaded areas indicate the provision has expired