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CBP ACE Latest Updates: Chapter 98 and 99 HTSUS Reporting Order

Published Aug. 27, 2026

Note: This page will be updated as CBP releases new ACE guidance, filing requirements, and system updates.

Key Points

  • On Aug. 27, 2026, CBP updated the HTSUS reporting order in ACE when Chapter 98 or Chapter 99 classifications apply.
  • Chapter 98 must be reported first, if applicable. Chapter 99 additional-duty classifications follow Chapter 98.
  • Trade remedy classifications must follow the order of Section 301, Section 338, Section 232, and Section 201.
  • Replacement-duty or other-use classifications follow the trade remedy classifications.
  • Other quota classifications follow replacement-duty or other-use classifications.
  • The Chapter 1-97 classification must be reported last.

T​​​​​​​​​​he U.S.CBP officer at a computer with the U.S. Customs and Border Protection seal displayed on screen, representing updated ACE entry summary HTSUS reporting guidance Customs and Border Protection (CBP) regularly updates its Automated Commercial Environment (ACE) guidance, requirements, and functionality for importers, customs brokers, and other trade participants. These updates can affect entry filing, tariff classification reporting, account management, refunds, cargo processing, and other customs procedures. We will update this page with the latest ACE guidance and requirements as CBP releases new information.

Updated HTSUS Reporting Order for ACE Entry Summaries

CBP issued CSMS #69668138 with updated guidance on the order for reporting multiple HTSUS classifications on the same entry summary line in ACE when Chapter 98 or Chapter 99 classifications apply.

HTS Reporting Sequence

Filers should report the classifications in the following order:

  1. Chapter 98 classification, if applicable
  2. Chapter 99 classification(s) for additional duties, if applicable
  3. Chapter 99 trade remedy classifications, in this order:
    • Section 301
    • Section 338
    • Section 232
    • Section 201 duties, if applicable
    • Section 201 quota, if applicable
  4. Chapter 99 replacement-duty or other-use classification, including a Miscellaneous Tariff Bill provision or other applicable provision
  5. Chapter 99 classification for other quota, if applicable
  6. Chapter 1-97 classification

The entered value should generally appear on the Chapter 1-97 HTSUS classification, unless Chapter 98 reporting provisions require different treatment.

Filing Errors and Trade Remedy Questions

Filers that encounter entry summary filing errors should contact their CBP client representative or the ACE Help Desk. For questions about trade remedy entry filing, CBP directs filers to the Trade Remedy Branch at TradeRemedy@cbp.dhs.gov.

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