Question 1

What does HTS 3402.90 cover?

Accepted Answer

HTS 3402.90 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Organic surface-active agents (other than soap); surface-active preparations, washing preparations (including auxiliary washing preparations) and cleaning preparations, whether or not containing soap, other than those of heading 3401, other. It belongs to Chapter 34 and rolls up 5 10-digit statistical lines that brokers actually file at entry.

Question 2

What is the duty rate for HTS 3402.90?

Accepted Answer

General (Column 1) duty rates for the 10-digit lines under HTS 3402.90 range from 3.7% to 4%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.

Question 3

Are there Chapter 99 provisions linked to HTS 3402.90?

Accepted Answer

Tandom links section_232 provision 9903.81.91 to HTS 3402.90. Its published rate notation is The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content., and its status on 2026-09-26 is expired. 5 additional Chapter 99 flags also link to this code. A flag is not a shipment-level determination; check origin, product facts, claims, and entry date.

Question 4

How do I find the right 10-digit line under HTS 3402.90?

Accepted Answer

U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 3402.90 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.

Question 5

Are there potentially relevant AD/CVD order flags under HTS 3402.90?

Accepted Answer

Tandom's current catalog view links no potentially relevant AD/CVD (antidumping or countervailing duty) order flags to lines under HTS 3402.90. Check current Commerce scope materials and Federal Register notices before relying on an HTS-only screen.

Code	Authority	Rate	Countries
9903.81.91	section_232Expired	The duty provided in the applicable subheading + a duty of 50% upon the value of the steel content.	All countries
9903.81.92	section_232Expired	The duty provided in the applicable subheading.	All countries
9903.81.98	section_232Expired	The duty provided in the applicable subheading + 25%	GB
9903.80.03	section_232Expired	The duty provided in the applicable subheading + 25%	All countries
9903.81.86	section_232Expired	The duty provided in the applicable subheading + 25%	MX
9903.81.84	section_232Expired	The duty provided in the applicable subheading + 25%	UA

`3402.90`—Organic surface-active agents (other than soap); surface-active preparations, washing preparations (including auxiliary washing preparations) and cleaning preparations, whether or not containing soap, other than those of heading 3401, other

Plain-English explanation

10-digit lines under 3402.90(5)

Chapter 99 flags(6)

Frequently asked questions

What does HTS 3402.90 cover?

What is the duty rate for HTS 3402.90?

Are there Chapter 99 provisions linked to HTS 3402.90?

How do I find the right 10-digit line under HTS 3402.90?

Are there potentially relevant AD/CVD order flags under HTS 3402.90?

Learn more

How Chapter 99 tariff layers stack on a single entry

How to calculate US import duties

Section 232 steel, aluminum, and copper duties in 2026

Wire the Tandom Duty Calculator API into a TMS or broker software

Section 301 China tariff exclusions in 2026

Trade compliance APIs in broker workflows

3402.90—Organic surface-active agents (other than soap); surface-active preparations, washing preparations (including auxiliary washing preparations) and cleaning preparations, whether or not containing soap, other than those of heading 3401, other

Plain-English explanation

10-digit lines under 3402.90(5)

Chapter 99 flags(6)

Frequently asked questions

What does HTS 3402.90 cover?

What is the duty rate for HTS 3402.90?

Are there Chapter 99 provisions linked to HTS 3402.90?

How do I find the right 10-digit line under HTS 3402.90?

Are there potentially relevant AD/CVD order flags under HTS 3402.90?

Learn more

How Chapter 99 tariff layers stack on a single entry

How to calculate US import duties

Section 232 steel, aluminum, and copper duties in 2026

Wire the Tandom Duty Calculator API into a TMS or broker software

Section 301 China tariff exclusions in 2026

Trade compliance APIs in broker workflows

`3402.90`—Organic surface-active agents (other than soap); surface-active preparations, washing preparations (including auxiliary washing preparations) and cleaning preparations, whether or not containing soap, other than those of heading 3401, other