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Effective Period Rates of Duty Unit of Quantity Article Description Stat. Suf- fix Heading/ Subheading 2 1 Special General 2-{[2,4,8,10-Tetrakis(2-methyl-2-propanyl)diben- zo[d,f][1,3,2]dioxaphosphepin-6-yl]oxy}-N,N-bis(2-{[2,4,8,10-tetra- kis(2-methyl-2-propanyl)dibenzo[d,f][1,3,2]dioxaphos- phepin-6-yl]oxy}ethyl)ethanamine (CAS No. 80410-33-9) (provided for in subheading 2922.19.60)................................... 1/ 9902.03.89 On or before 12/31/2020 No change No change Free 1/ 4-Methyl-N,N-dipropoxyaniline (CAS No. 38668-48-3) (provided for in subheading 2922.19.70)................................... 1/ 9902.03.90 On or before 12/31/2020 No change No change Free 1/ Phytosphingosine ((2S,3S,4R)-2-amino-1,3,4-octadecanetriol) (CAS No. 13552-11-9) (provided for in subheading 2922.19.96)................................................................................... 1/ 9902.03.91 On or before 12/31/2020 No change No change Free 1/ 1-(Dimethylamino)-2-propanol (CAS No. 108-16-7) (provided for in subheading 2922.19.96) ................................................... 1/ 9902.03.92 On or before 12/31/2020 No change No change Free 1/ (2S,3S,4R)-2-Amino-1,3,4-octadecanetriol hydrochloride (Phytosphingosine HCl) (CAS No. 154801-32-8) (provided for in subheading 2922.19.96) ......................................................... 1/ 9902.03.93 On or before 12/31/2020 No change No change Free 1/ 2-Amino-4-methylphenol (CAS No. 95-84-1) (provided for in subheading 2922.29.10).............................................................. 1/ 9902.03.94 On or before 12/31/2020 No change No change 3.7% 1/ 4,4'-[1,3-Phenylenebis(oxy)]dianiline (CAS No. 2479-46-1) (provided for in subheading 2922.29.61) .................................. 1/ 9902.03.95 On or before 12/31/2020 No change No change Free 1/ 4-Methoxy-2-methyl-N-phenylaniline (CAS No. 41317-15-1) (provided for in subheading 2922.29.61)................................... 1/ 9902.03.96 On or before 12/31/2020 No change No change Free 1/ N-(2,4-Dimethylphenyl)-4-methoxy-2-methylaniline (CAS No. 41374-20-3) (provided for in subheading 2922.29.61)............ 1/ 9902.03.97 On or before 12/31/2020 No change No change Free 1/ p-Cresidinesulfonic acid (4-amino-5-methoxy-2-methylbenzenesulfonic acid) (CAS No. 6471-78-9) (provided for in subheading 2922.29.81).............. 1/ 9902.03.98 On or before 12/31/2020 No change No change Free 1/ 2-Methoxy-5-methylaniline (CAS No. 120-71-8) (provided for in subheading 2922.29.81.90) 2/.................................................. 1/ 9902.03.99 On or before 12/31/2020 No change No change Free 1/ 4,4'-Oxydianiline (CAS No. 101-80-4) (provided for in subheading 2922.29.81).............................................................. 1/ 9902.04.01 On or before 12/31/2020 No change No change 1.3% 1/ 4-Amino-5-methoxy-2-methylbenzenesulfonic acid (CAS No. 6471-78-9) (provided for in 2922.29.81).................................... 1/ 9902.04.02 On or before 12/31/2020 No change No change Free 1/ l-Lysine hydrate (1:1) (CAS No. 39665-12-8) (provided for in subheading 2922.41.00) ............................................................. 1/ 9902.04.03 On or before 12/31/2020 No change No change Free 1/ 4-Chlorophenylglycine (CAS No. 6212-33-5) (provided for in subheading 2922.49.30).............................................................. 1/ 9902.04.04 On or before 12/31/2020 No change No change 0.5% 1/ 1/ See chapter 99 statistical note 1. 2/ Note: provision should probably refer only to the 8-digit subheading number. Rates of Duty 1 Harmonized Tariff Schedule of the United States Revision 15 (2026) Annotated for Statistical Reporting Purposes XXII 99 - II - 21 Note:The shaded areas indicate the provision has expired