9902.11.21-Poly[(dimethyl

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Harmonized Tariff Schedule (2025 HTS Revision 31 (11/28/2025))

HTS Code	9902.11.21
Article Description	Poly[(dimethyl butanedioate-co-1-(2-hydroxyethyl)-2,2,6,6-tetramethylpiperidin-4-ol)] (CAS No. 65447-77-0) (provided for in subheading 3907.99.50)
Quota of Quantity
Unit of Quantity	[]
Rates of Duty (1-General)	Free
Rates of Duty (1-Special)	No change
Rates of Duty (2-Cuba and North Korea)	No change
Footnotes	[stat, units], marker=1, See chapter 99 statistical note 1., type=footnote
Additional Duty
Additional Duty(products of China)

Section XXII:	Special Classification Provisions; Temporary Legislation; Temporary Modifications Proclaimed pursuant to Trade Agreements Legislation; Additional Import Restrictions Proclaimed Pursuant to Section 22 of the Agricultural Adjustment Act, As Amended
Chapter 99	Temporary legislation; temporary modifications proclaimed pursuant to trade agreements legislation; additional import restrictions proclaimed pursuant to section 22 of the Agricultural Adjustment Act, as amended
Subheading 9902.11.21	Poly[(dimethyl butanedioate-co-1-(2-hydroxyethyl)-2,2,6,6-tetramethylpiperidin-4-ol)] (CAS No. 65447-77-0) (provided for in subheading 3907.99.50)