CSMS #68290408 · Harmonized System Update (HSU) 2607
Brief takeaway: A CBP system update loads new tariff records tied to Section 232 duties on aluminum, steel, and copper, plus adjustments to EPA and FDA import flags.
What changed: According to the notice, Harmonized System Update (HSU) 2607 was created April 5, 2026, and contains 116 harmonized tariff records and 519 ABI records. The notice states these include updates for Section 232 duties on aluminum, steel, and copper effective April 6, 2026, and references the related proclamation and CSMS #68253075. The notice also states EPA removed 8 and added 19 EP5/EP7 flags and added 1 EP6 flag, and that FDA changed flag FD3 to FD2 for HTS 3001.90.0150.
Who's affected: The notice names Section 232 duties on imports of aluminum, steel, and copper. It cites HTS 3001.90.0150 (glands and other organs, dried, other than liver) for the FDA flag change. Specific countries of origin are not identified in this notice.
What to review:
- Review whether your aluminum, steel, or copper products fall within the Section 232 updates effective April 6, 2026.
- Confirm the referenced proclamation and CSMS #68253075 with your broker for scope and reporting details.
- Check whether the EPA or FDA flag changes, including HTS 3001.90.0150, may be relevant to your entries.
- Confirm current HTS classifications and PGA flag requirements with your licensed customs broker.
This is general information, not legal advice and not a compliance determination — confirm specifics with a licensed customs broker or trade counsel.
Official notice
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- CSMS #68762890 · GUIDANCE: Implementation of Certain Tariff-Related Elements of the Trade and Security Agreement Between the Taipei Economic and Cultural Representative Office and the American Institute in Taiwan
- CSMS #68554727 · GUIDANCE: Technical Corrections to Section 232 Duties on Imports of Aluminum, Steel, and Copper
- CSMS #68559236 · GUIDANCE: Applying Section 232 Import Duties on USMCA-Qualifying Medium-and Heavy-Duty Vehicles (MHDVs)
- CSMS #68402148 · New ACE Drawback Error Validations Set to Deploy to PROD April 21, 2026
- CSMS #68609998 · Harmonized System Update (HSU) 2610
This update is a general educational summary based on public CBP CSMS / Federal Register information. It is not legal advice, customs broker advice, a final classification, duty determination, entry instruction, or compliance determination. Importers should confirm applicability, effective dates, HTSUS/Chapter 99 reporting, rates, refunds, PSC procedures, and filing instructions with their licensed customs broker, trade counsel, and/or CBP.