Tandom · Duty calculator
Add country and invoice value for the full duty stack — base + 301 + 232 + AD/CVD + fees.
HTS 9620.00.30.50 is the U.S. Harmonized Tariff Schedule classification for Of seismographs. It's a 10-digit statistical line in Chapter 96: Miscellaneous manufactured articles, Section XX: Miscellaneous Manufactured Articles, used by U.S. Customs and Border Protection to determine the duty rate at entry. 1 Chapter 99 tariff modification currently stacks on top of the base rate.
New to HTS codes? Read our guide on how HTS classification works →
Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.88.03 | section_301 | The duty provided in the applicable subheading + 25% |
HTS 9620.00.30.50 is the U.S. Harmonized Tariff Schedule classification for Of seismographs. It belongs to Chapter 96 of the HTSUS.
The general (Column 1) duty rate for HTS 9620.00.30.50 is The rate applicable to the article of which it is an accessory. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
Yes. Imports of HTS 9620.00.30.50 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 (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG). Eligibility depends on rules of origin and certification.
Yes — HTS 9620.00.30.50 is covered by section_301 provision 9903.88.03 (The duty provided in the applicable subheading + 25%). Open the code page for the full overlay stack with effective dates and country scopes.
No active AD/CVD orders currently flag HTS 9620.00.30.50 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
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