Below are the related documents:
Second Four-Year Review:
- Initiation of Second Four-Year Review Process – May 6, 2026
First Four-Year Review:
- Initiation of Four-Year Review Process – May 5, 2022
- Comments.ustr.gov Status: The USTR portal for submitting requests to continue the July 6, 2018 action, as modified, closed on July 5, 2022 at 11:59PM EDT. The USTR portal for submitting requests to continue the August 23, 2018 action, as modified, closed on August 22, 2022 at 11:59 PM EDT.
- Comments.ustr.gov Status: The USTR portal for submitting requests to continue the July 6, 2018 action, as modified, closed on July 5, 2022 at 11:59PM EDT. The USTR portal for submitting requests to continue the August 23, 2018 action, as modified, closed on August 22, 2022 at 11:59 PM EDT.
- Continuation of Actions – September 8, 2022
- Request for Comments in Four-Year Review of Actions Taken in the Section 301 Investigation – October 17, 2022
- Preview of Questions for Four-Year Review Docket Opening – November 15, 2022
- Preview of Questions for Four-Year Review Docket Opening – November 15, 2022
- Request for Comments in Four-Year Review of Actions Docket – The USTR portal for submitting comments in the Four-Year Review of Actions opened November 15, 2022. Comments must be received by January 17, 2023 at 11:59 PM EST.
- Four-Year Review FAQ
- Press Release: U.S. Trade Representative Katherine Tai to Take Further Action on China Tariffs After Releasing Statutory Four-Year Review – May 14, 2024
- Four-Year Review of Actions Taken in the Section 301 Investigation: China’s Acts, Policies, and Practices Related to Technology Transfer, Intellectual Property, and Innovation – May 14, 2024
- Press Release: USTR Issues Federal Register Notice on Section 301 Proposed Tariff Modifications and Machinery Exclusion Process – May 22, 2024
- Federal Register Notice on Section 301 Proposed Tariff Modifications and Machinery Exclusion Process
- Docket Questions: Proposed Modifications to Section 301 Action Proposed Exclusion Process
- Agency Information Collection Activities; Request for Comments
- Office of the U.S. Trade Representative Continues to Review Public Comments for Proposed Modifications to China 301 Actions – July 30, 2024
- Agency Information Collection Activities; Request for the Office of Management and Budget To Approve Renewal of the Collection of Information Titled ‘301 Exclusion Requests’ – August 1, 2024
- Notice of Final Modifications – September 18, 2024
- Additional Request for Comments on Section 301 Proposed Tariff Modifications – September 24, 2024.
- Notice of Modification of Actions – December 16, 2024
- Notice of Product Exclusion Extensions: China's Acts, Policies, and Practices Related to Technology Transfer, Intellectual Property, and Innovation – June 5, 2025
- Notice of Product Exclusion Extensions: China's Acts, Policies, and Practices Related to Technology Transfer, Intellectual Property, and Innovation – September 2, 2025
- List of Exclusions Extended Through November 29, 2025
- Request for Comments on Whether Particular Exclusions Warrant Further Extension – September 16, 2025
- Notice of Product Exclusion Extensions through November 9, 2026 – December 1, 2025




