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2026 CBP ACE Latest Updates and System Changes (New Error Codes for Restricted Canadian Products)

Published Aug. 27, 2026 | Updated Oct. 10, 2026

Note: This page covers CBP ACE updates and system changes from August 27 through the end of 2026.

Key Points

  • CBP regularly updates its ACE system, which affects customs entry filing, tariff classification, cargo processing, and other trade procedures.
  • ACE updates may introduce new filing requirements, system functionality, error codes, and compliance procedures.
  • CBP issues Cargo Systems Messaging Service (CSMS) notices to communicate ACE changes, implementation dates, and filing guidance.
  • Trade participants should monitor CBP announcements and system updates to prepare for new requirements and avoid filing issues.
  • Latest: Effective Oct. 10, 2026, CBP requires email or SMS security token verification for changes to ACH refund information in ACE Portal importer sub-accounts. CBP also released an updated ACE development and deployment schedule outlining upcoming system changes.

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.

Click on any update below to jump directly to the details you need.

Latest Update: ACE Development and Deployment Schedule

On Oct. 9, 2026, CBP announced an updated ACE Development and Deployment Schedule outlining planned system enhancements and target deployment dates, which are subject to change.

Key planned deployments include:

  • Oct. 10: ACE Portal SMS/email verification for ACH authorization changes and ACH debit payments for maritime fees through Pay.gov.
  • Oct. 23: Electronic Export Manifest enhancements for truck cargo, including X12 and EDIFACT message formats and a trade portal for export manifests. Initial production access will be limited to eligible participants under the applicable test notice.
  • Oct. 24: ACE Manifest Modernization Release 3, updating ocean manifest EDI services. CBP advises trade users to test their software in the Certification environment.
  • TBD: Further enhancements for Global Business Identifiers (GBI), Russian sanctions data collection, and rail manifest modernization.

Trade participants should review potential impacts on payment procedures, export manifest filing, and EDI systems. Because deployment dates may change, consult CBP for the latest schedule.

Latest Update: ACE Portal Verification for ACH Refund Changes

Effective Oct. 10, 2026, CBP will require security-token verification via email, with SMS as an option, when authorized ACE Portal users add or modify ACH refund information within an importer sub-account.

Other authorized users can opt in to receive email or SMS alerts whenever ACH refund information changes. This measure strengthens ACE Portal security following the recent addition of SMS login authentication.

Instructions will be included in an upcoming update to CBP’s ACE Portal: ACH Bank Information for Electronic Refunds training guide. For assistance, contact ACE.Support@cbp.dhs.gov.

New ACE Error Codes for Restricted Canadian Products

On Sept. 28, 2026, per CSMS # 70050117, CBP updated ACE Cargo Release and e214 Foreign Trade Zone (FTZ) admissions to implement Proclamations 11061, 11062, and 11063.

The update adds new rejection codes for non-compliant filings involving certain Canadian-origin products. The affected products fall under HTSUS headings 0404, 1702, 1703, 2202, 2203, 2204, 2205, 2206, 2207, 2208, and 8711.

CBP added the following error codes:

  • ACE e214 FTZ Admission Error Code 239: HTS NOT ALLOWED FOR COUNTRY OF ORIGIN
  • ACE Cargo Release Error Code 335: HTS NOT ALLOWED FOR COUNTRY OF ORIGIN

The changes apply to designated Canadian-origin products entered for consumption or withdrawn from a warehouse for consumption on or after 12:01 a.m. ET on Sept. 29, 2026.

Filers that encounter entry summary filing errors should contact their CBP client representative or the ACE Help Desk. For questions regarding Section 338 entry filing, CBP directs filers to TradeRemedy@cbp.dhs.gov.

For more information, see CBP’s ACE Appendix P – e214 FTZ Admission Error Codes and Cargo Release Condition Codes.

Electronic Export Manifest Requirement for Rail Cargo

On Aug. 26, 2026, CBP published a final rule requiring an Electronic Export Manifest (EEM) for cargo departing the United States by rail to Canada or Mexico.

The rule requires export manifest data for rail cargo to be transmitted electronically through ACE. It also identifies the parties eligible to transmit the information and establishes the time frames for submitting the information before the train departs the United States.

Key Dates

  • Effective date: Oct. 26, 2026
  • Compliance date: Oct. 26, 2027, when CBP will begin enforcing the requirement

CBP states that mandatory electronic filing will improve visibility of outbound rail cargo, address cargo security concerns, and provide efficiencies for the trade.

For more information, see the Federal Register final rule. CBP also provides EEM system information and implementation guides.

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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