CSMS 67893165·Trade policy·February 27, 2026·View on csms.cbp.gov ↗

Harmonized System Update (HSU) 2606

Plain-English explanation

CSMS 67893165 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (trade policy), published on February 27, 2026. It carries the official CBP guidance brokers and importers must follow for the topic — "Harmonized System Update (HSU) 2606". 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 # 67893165 - Harmonized System Update (HSU) 2606 The Agricultural Marketing Service (AMS), Department of Agriculture (USDA) is withdrawing the direct final rule, “Cotton Board Rules and Regulations: Adjusting Supplemental Assessment on Imports (2025 Amendments),” that published on December 31, 2025, due to receipt of a significant adverse comment. The Withdrawal of direct final rule is currently on public inspection and will be published on March 2, 2026; however the withdrawal is effective February 26, 2026. This action confirms that the decreased assessment rate proposed for March 1, 2026, will not take effect, and the assessment will revert to the previously established rates. HSU 2606 contains the HTS revisions to remove the updated March 1, 2026, cotton rates and revert to the previous Cotton rates. Harmonized System Update (HSU) 2606 was created on February 27, 2026, and contains 5,122 harmonized tariff records and 24,062 ABI records. For questions or concerns with the Cotton Assessments please contact CottonRP@usda.gov . Questions or concerns with the Harmonized System Update should be directed to HTS admin at HTSAdmin@cbp.dhs.gov .

Frequently asked questions

What is CSMS 67893165?

CSMS 67893165 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Harmonized System Update (HSU) 2606". 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 67893165 published?

CBP published CSMS 67893165 on February 27, 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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