Expeditors Newsflash

CBP Publishes Guidance on United States-Korea Trade Deal

Posted by Timothy Miller on 12/5/25 5:00 PM

In a Cargo Systems Messaging Service (CSMS) bulletin published on December 3, 2025, U.S. Customs and Border Protection (CBP) provided guidance on the relevant Harmonized Tariff Schedule of the United States (HTSUS) modifications due to the United States-Korea Strategic Trade and Investment Deal.

The guidance reviews the new HTSUS subheadings and tariff sequencing for automobiles, automobile parts, Section 232 wood products, Section 232 aluminum, Section 232 steel, Section 232 civil aircraft, and the reciprocal tariffs for products of South Korea.

These changes to the HTSUS are retroactively effective for products entered for consumption or withdrawn from a warehouse for consumption on or after 12:01 a.m. eastern time on November 14, 2025.

Previously filed entries can be corrected with a post summary correction for unliquidated entries, or by filing a protest for liquidated entries.

CSMS # 66987366 can be found here:
https://content.govdelivery.com/bulletins/gd/USDHSCBP-3fe2566?wgt_ref=USDHSCBP_WIDGET_2

The “Implementing Certain Tariff-Related Elements of the U.S.-Korea Strategic Trade and Investment Deal” Federal Register Notice can be found here:
https://www.federalregister.gov/documents/2025/12/04/2025-21940/implementing-certain-tariff-related-elements-of-the-us-korea-strategic-trade-and-investment-deal

Topics: CBP, South Korea, Guidance

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