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Updated guidance: Section 301 China Conforming Amendment

22 October 2026

In plain English

CBP's CSMS 70261629 explains ACE updates effective 6 pm October 23, 2026 to accept conforming amendments to five Section 301 China product exclusions matching revised HTS statistical codes.

Read the official notice
Topic
Tariffs and duties
Regulator
CBP
Published
22 October 2026
For
Imports and Exports
Where it applies
United States
Source
CBP CSMS

From the notice

This message updates CSMS # 69990649 to provide guidance regarding an additional conforming amendment to Section 301 China product exclusions. The Automated Commercial Environment (ACE) functionality for the acceptance of the conforming amendment will be effective as of 6 pm on October 23, 2026. BACKGROUND On September 2, 2026 and October 7, 2026, the Office of the U.S. Trade Representative (USTR) published Federal Register Notices 91 FR 56538 and 91 FR 64211 making conforming amendments to five Section 301 China product exclusions. These amendments are to conform with changes to ten-digit statistical reporting categories of the Harmonized Tariff Schedule of the United
The full text is at the source

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