CHAPTER 99 · TRADE MEASURE CODE

9903.88.03

Active

9903.88.03 implements Section 301 List 1 on goods of China origin, adding +25% on top of the base HTS duty. It is effective August 23, 2018.

Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.

Additional rate

+25%

Status

Active

Applies to

China

Base codes paired

What 9903.88.03 implements

Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

HTS legal text: Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

List: List 1 Effective window: effective August 23, 2018
Glossary: Section 301 List 1 → All Section 301 List 1 codes →

Active exclusions

9903.88.03

2020-11426

Effective September 24, 2018

Related CBP rulings

H342925 February 3, 2026

Request to reconsider NY N340642 (June 26, 2024); Classification of a lithium-ion battery and charger set from China

The facts of NY N340642 are as follows: The merchandise under consideration is identified as the 20 Volt – 4.0Ah Rechargeable Lithium- Ion Battery Pack and Battery Charger Set, Model Number CB5196B-11, which consists of a retail package con

N356379 December 11, 2025

The tariff classification of a containerized control module from China

-areas/enforcement/section-301-investigations/tariff-actions https://www.cbp.gov/trade/remedies/301-certain-products-china The tariffs and additional duties cited above are current as of this ruling’s issuance. Duty rates are provided for y

N356115 December 10, 2025

The tariff classification of a compact mirror from China.

are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF

N356154 December 10, 2025

The tariff classification of robotic platforms from China

are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF

N355769 December 9, 2025

The tariff classification of steel grab bars and flange covers from China

are modified in any way, or if the goods do not conform to these facts at time of importation, you should bring this to the attention of U.S. Customs and Border Protection (CBP) and submit a request for a new ruling in accordance with 19 CF

N356002 December 9, 2025

The tariff classification of electric vehicle bodies from China

s scope rulings to determine whether merchandise which is in commercial production is covered by the scope of an antidumping or countervailing duty order. Commerce’s scope rulings are separate and distinct from decisions issued by CBP regar

Frequently asked questions

What is 9903.88.03?

9903.88.03 is a U.S. Harmonized Tariff Schedule Chapter 99 subheading that implements Section 301 List 1 on goods of China origin. It adds +25% on top of the duty in the underlying base HTS subheading. It is effective August 23, 2018.

Where does this come from, and how current is it?

Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.

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