Harmonized System Update (HSU) 2542

The Harmonized System Update (HSU) 2542 was created on December 4, 2025. It contains thirteen Harmonized Tariff records and forty ABI records.   HSU 2542 contains the updates pursuant to the United States-Korea Strategic Trade and Investment Deal https://www.federalregister.gov/documents/2025/12/04/2025-21940/implementing-certain-tariff-related-elements-of-the-us-korea-strategic-trade-and-investment-deal , the updates pursuant to the Section 301 Product Exclusion Extensions Notice Federal Register :: Notice of Product Exclusion Extensions: China's Acts, Policies, and Practices Related to Technology Transfer, Intellectual Property, and Innovation [ https://www.federalregister.gov/documents/2025/12/01/2025-21671/notice-of-product-exclusion-extensions-chinas-acts-policies-and-practices-related-to-technology ] and a HTS flagging change in support of the PGA Message Set. The FDA tariff flag FD2 was changed to FD1 for HTS 2941.10.2000 Penicillin G salts.   For additional guidance on the United States-Korea Strategic Trade and Investment Deal please see CSMS # 66987366 [ https://content.govdelivery.com/accounts/USDHSCBP/bulletins/3fe2566 ]   Questions regarding these updates should be directed to traderemedy@cbp.dhs.gov.   Questions related to the HTS flag, please emailimports@fda.hhs.gov or itdssupport@cbp.dhs.gov.   Questions or concerns with this Harmonized System Update should be directed to the HTS Administrator at HTSadmin@cbp.dhs.gov. 
Related Message Number(s): CSMS # 66987366