CSMS 67561538·Trade policy·January 30, 2026·View on csms.cbp.gov ↗

Harmonized System Update (HSU) 2601 and 2602

Plain-English explanation

CSMS 67561538 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (trade policy), published on January 30, 2026. It carries the official CBP guidance brokers and importers must follow for the topic — "Harmonized System Update (HSU) 2601 and 2602". CSMS messages are the operational layer between Commerce determinations and at-the-border collections: when Commerce publishes a new rate, scope ruling, or instruction, CBP turns it into a CSMS that ACE/ACS systems and brokers act on.

Message body

Full text as published by U.S. Customs and Border Protection

Cargo Systems Messaging Service CSMS # 67561538 - Harmonized System Update (HSU) 2601 and 2602 Harmonized System Update (HSU) 2601 was created on January 15, 2026, and contains 9 harmonized tariff records and 18 ABI records. HSU 2602 was created on January 30, 2026, and contains 5,405 harmonized tariff records and 25,233 ABI records. HSU 2601 contains Section 232 Semiconductor Harmonized Tariff Schedule (HTS) updates. Please see: https://www.whitehouse.gov/presidential-actions/2026/01/adjusting-imports-of-semiconductors-semiconductor-manufacturing-equipment-and-their-derivative-products-into-the-united-states/ and CSMS # 67400472 for guidance on entry filings. HSU 2602 contains the Fall 2025 484(f) HTS updates effective February 1, 2026, and the 2025 Cotton Fee Assessments effective March 1, 2026. For more information on the Fall 2025 484(f) updates please see https://www.usitc.gov/harmonized_tariff_information/484_f_committee . For more information on the 2025 Cotton Fee adjustments, please see https://www.govinfo.gov/app/details/CFR-2025-title7-vol10/CFR-2025-title7-vol10-sec1205-10/summary. Questions regarding the Section 232 Semiconductor HTS updates should be directed to the Trade Remedy inbox at traderemedy@cbp.dhs.gov . Questions or concerns with these Harmonized System Updates should be directed to the HTS Administrator at HTSAdmin@cbp.dhs.gov .

Frequently asked questions

What is CSMS 67561538?

CSMS 67561538 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Harmonized System Update (HSU) 2601 and 2602". CSMS bulletins are the operational instructions CBP issues to brokers, importers, and ACE filers covering rate changes, system updates, scope guidance, and other day-to-day customs-operations changes.

When was CSMS 67561538 published?

CBP published CSMS 67561538 on January 30, 2026. The bulletin's instructions are typically operative as of the publication date unless the body specifies a different effective date.

Is the CBP CSMS the legally binding instruction?

Yes — for at-the-border filing and entry collection. CSMS messages translate Commerce's Federal Register determinations into operational CBP instructions that ACE/ACS systems and brokers execute. The Federal Register notice is the underlying legal authority; the CSMS is the operational implementation. Both should be read together when reconciling a rate or scope change.

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