6301.90.00.20—Containing 85 percent or more by weight of silk or silk wasteGeneral
7.2%
Units
No., kg
Column 2
90%
Special
Free (AU,BH, CL,CO,E*,IL, JO,KR, MA,NP,OM,P, PA,PE,S,SG)
HTS 6301.90.00.20 is the U.S. Harmonized Tariff Schedule classification for Containing 85 percent or more by weight of silk or silk waste. It's a 10-digit statistical line in Chapter 63: Other made up textile articles; sets; worn clothing and worn textile articles; rags, Section XI: Textiles and Textile Articles, used by U.S. Customs and Border Protection to determine the duty rate at entry. 2 Chapter 99 tariff modifications currently stack on top of the base rate.
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Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.88.70 | section_301 | The duty provided in the applicable subheading |
| 9903.89.49 | section_301 | The duty provided in the applicable subheading + 25% |
HTS 6301.90.00.20 is the U.S. Harmonized Tariff Schedule classification for Containing 85 percent or more by weight of silk or silk waste. It belongs to Chapter 63 of the HTSUS.
The general (Column 1) duty rate for HTS 6301.90.00.20 is 7.2%. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
Yes. Imports of HTS 6301.90.00.20 from countries party to a trade program (such as USMCA, KORUS, GSP, or the African Growth and Opportunity Act) may qualify for the special rate: Free (AU,BH, CL,CO,E*,IL, JO,KR, MA,NP,OM,P, PA,PE,S,SG). Eligibility depends on rules of origin and certification.
The Column 2 rate for HTS 6301.90.00.20 is 90%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
Yes — HTS 6301.90.00.20 is covered by section_301 provision 9903.88.70 (The duty provided in the applicable subheading). 1 additional overlay also touch this code. Open the code page for the full overlay stack with effective dates and country scopes.
No active AD/CVD orders currently flag HTS 6301.90.00.20 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Free Trade Agreement and special-program eligibility
Tandom guides relevant to this code
How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
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A working guide to the inputs, the layers, and the math behind a US entry summary in 2026. Written for brokers, forwarders, and importer compliance teams.
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What the 178 active Section 301 exclusions cover, how to claim 9903.88.69 on an entry, and what changes when the November 10, 2026 deadline passes.
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Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
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