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Cargo Systems Messaging Service

Welcome to U.S. Customs and Border Protection’s (CBP’s) Cargo Systems Messaging Service (CSMS). CSMS is one of CBP’s methods for communicating to our trade partners news and updates on our automated systems – namely the Automated Commercial Environment (ACE). To receive the CSMS messages via email, please register below.

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U.S. Customs and Border Protection updates (100 bulletins)
CSMS # 64701128 - UPDATED GUIDANCE – Reciprocal Tariffs – Increase in Rate for China and Reversion of Other Country-Specific Rates, Effective April 10, 2025
  • 04/09/2025 10:57 PM EDT
CSMS # 64697447 - Foreign Supplier Verification Programs (FSVP) Entry Declarations
  • 04/09/2025 03:26 PM EDT
CSMS # 64697260 - Delay Processing Some Food and Drug Administration (FDA) Entries
  • 04/09/2025 03:16 PM EDT
CSMS # 64687696 - UPDATED GUIDANCE – Reciprocal Tariffs on Goods of China, April 9, 2025, Effective Date
  • 04/08/2025 06:58 PM EDT
CSMS # 64686658 - ACE Certification Standard Invasive Maintenance Window on April 9, 2025, from 5:00 pm to 8:00 pm ET
  • 04/08/2025 05:18 PM EDT
CSMS # 64683429 - Harmonized System Update (HSU) 2513
  • 04/08/2025 01:04 PM EDT
CSMS # 64680374 - GUIDANCE – Reciprocal Tariffs, April 5 and April 9, 2025, Effective Dates
  • 04/08/2025 10:11 AM EDT
CSMS # 64678681 - Backlog Cleared - Ocean Manifest Notifications
  • 04/08/2025 06:20 AM EDT
CSMS # 64674111 - Updating Truck Manifest Invalid State Code for Section 321 consignee AA, AE, AP, MP
  • 04/07/2025 05:19 PM EDT
CSMS # 64667598 - ACE Ocean Manifest Delayed Notifications
  • 04/07/2025 09:13 AM EDT
CSMS # 64649265 - GUIDANCE – Reciprocal Tariffs, April 5, 2025 Effective Date
  • 04/04/2025 03:33 PM EDT
CSMS # 64648875 - Error F624 EST DUTY/CALC'D DUTY MISMATCH – LINE; 99038191 & 99038508 With SPI C or JP Rejecting in Error
  • 04/04/2025 02:58 PM EDT
CSMS # 64646715 - Update to the Automated Export System Trade Interface Requirements – Appendix U – HTS/Schedule B Classifications Requiring Used Vehicle Reporting
  • 04/04/2025 01:13 PM EDT
CSMS # 64646862 - Update to the Automated Export System Trade Interface Requirements – Appendix X — HTS Codes for PGAs
  • 04/04/2025 12:45 PM EDT
CSMS # 64644169 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, April 05, 2025, to 4:00 a.m. ET Sunday, April 06, 2025
  • 04/04/2025 10:04 AM EDT
CSMS # 64637741 - Withhold Release Order (WRO) on Taepyung Salt Farm’s Sea Salt Products
  • 04/04/2025 08:00 AM EDT
CSMS # 64639013 - GUIDANCE: Section 232 Additional Aluminum Derivative Products
  • 04/03/2025 07:44 PM EDT
CSMS # 64637319 - U.S. Food and Drug Administration (FDA) Supplemental Guide - Version 2.5.12 is Now Available
  • 04/03/2025 04:59 PM EDT
CSMS # 64634444 - Harmonized System Update (HSU) 2512
  • 04/03/2025 01:31 PM EDT
CSMS # 64633605 - Updated ABI Software Vendor List on CBP.gov
  • 04/03/2025 12:43 PM EDT
CSMS # 64624784 - CORRECTION: Centralized Examination Station (CES) Solicitation for the Area Port Houston/Galveston, Houston Seaport
  • 04/03/2025 08:30 AM EDT
CSMS # 64624801 - GUIDANCE: Import Duties on Certain Automobiles
  • 04/02/2025 05:51 PM EDT
CSMS # 64616861 - Chile to Provide Electronic Certification (eCert) Data to the U.S. Department of Agriculture, Food Safety and Inspection Service Update
  • 04/02/2025 09:13 AM EDT
CSMS # 64610567 - ACE Certification Standard Invasive Maintenance Window on April 2, 2025
  • 04/01/2025 05:09 PM EDT
CSMS # 64606906 - UPDATE: ACE Reports - Software Upgrade Complete
  • 04/01/2025 01:24 PM EDT
CSMS # 64605146 - Update: Import Duties on Imports of Aluminum Derivative Products
  • 04/01/2025 12:20 PM EDT
CSMS # 64596929 - UPDATE: Deadline Extended and Updated Requirements for Submitting CBP Form 1302A Cargo Declaration via ACE Document Image System (DIS)
  • 03/31/2025 04:49 PM EDT
CSMS # 64557117 - REMINDER: ACE Reports – Trade Export Data Universe Retires March 31, 2025
  • 03/31/2025 11:12 AM EDT
CSMS # 64569901 - In-bond Transportation of Pipeline Natural Gas and Storage Restrictions
  • 03/28/2025 01:59 PM EDT
CSMS # 64567565 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, March 29, 2025, to 4:00 a.m. ET Sunday, March 30, 2025
  • 03/28/2025 11:45 AM EDT
CSMS # 64565215 - Expansion of Risk-Based Sampling for Lettuce Varieties at U.S. Ports of Entry
  • 03/28/2025 08:53 AM EDT
CSMS # 64530388 - REMINDER: ACE Reports: No Data Updates from March 28 to April 2 Due to Software Upgrade
  • 03/28/2025 08:00 AM EDT
CSMS # 64557422 - ACE Air Entry Type 86, Delayed Outbound Notifications
  • 03/27/2025 02:27 PM EDT
CSMS # 64530241 - REMINDER: ACE Reports: No Data Updates from March 28 to April 2 Due to Software Upgrade
  • 03/27/2025 08:00 AM EDT
CSMS # 64546169 - Truck Manifest Modernization UI Design Update
  • 03/26/2025 05:06 PM EDT
CSMS # 64545745 - REMINDER: Upcoming deployment for U.S. Food and Drug Administration (FDA) ACE changes specified in FDA ACE Supplemental Guide 2.5.12
  • 03/26/2025 04:32 PM EDT
CSMS # 64529547 - Initiation of Antidumping and Countervailing Duty Investigations: Certain Chassis and Subassemblies Thereof from Mexico, Thailand, and the Socialist Republic of Vietnam (Vietnam)
  • 03/25/2025 12:22 PM EDT
CSMS # 64529154 - NMFS Certification of Admissibility Update: Newly Designated Officials for the Government of Mexico
  • 03/25/2025 12:04 PM EDT
CSMS # 64526885 - ACE Reports: No Data Updates from March 28 to April 2 Due to Software Upgrade
  • 03/25/2025 11:33 AM EDT
CSMS # 64459202 - Marking of Prescription Medications Webinar: Tuesday, April 15, 2024, at 11:00 a.m. ET
  • 03/25/2025 08:00 AM EDT
CSMS # 64521223 - Backlog Cleared - Ocean Manifest Notifications
  • 03/24/2025 04:51 PM EDT
CSMS # 64518722 -Delays-Ocean Manifest Notifications
  • 03/24/2025 01:54 PM EDT
CSMS # 64516574 - Updated ABI Software Vendor List on CBP.gov
  • 03/24/2025 11:48 AM EDT
CSMS # 64514918 - UPDATE - Energy and Energy Resources from Canada Subject to Additional Duties Pursuant to Executive Order
  • 03/24/2025 09:45 AM EDT
CSMS # 64492842 - UPDATE: ACE Reports – Trade Export Data Universe Retires March 31, 2025
  • 03/21/2025 12:45 PM EDT
CSMS # 64491013 - 2025 Trade Facilitation and Cargo Security (TFCS) Summit – Registration Now Open!
  • 03/21/2025 11:07 AM EDT
CSMS # 64490888 - RESOLVED: ACE Reports Value Issue in Automated Export System Universe
  • 03/21/2025 10:14 AM EDT
CSMS # 64484038 - Updating Permitted Customs Broker Listing on cbp.gov
  • 03/20/2025 04:57 PM EDT
CSMS # 64482521 - Resolved - Users Unable to Access the Truck Trade Portal due to Technical Issue
  • 03/20/2025 03:09 PM EDT
CSMS # 64481988 - Backlog Cleared - Ocean Manifest Notifications
  • 03/20/2025 02:40 PM EDT
CSMS # 64481368 - Users Unable to Access the Truck Trade Portal due to Technical Issue
  • 03/20/2025 02:04 PM EDT
CSMS # 64479941 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, March 22, 2025, to 4:00 a.m. ET Sunday, March 23, 2025
  • 03/20/2025 12:17 PM EDT
CSMS # 64477844 - ACE Ocean Manifest Delayed Notifications
  • 03/20/2025 09:50 AM EDT
CSMS # 64472173 - CORRECTION - GUIDANCE: Energy and Energy Resources from Canada
  • 03/19/2025 06:08 PM EDT
CSMS # 64470807 - ACE Truck Manifest – Section 321 Consignee Address Validation
  • 03/19/2025 04:03 PM EDT
CSMS # 64470405 - Updated Cargo Release Condition Codes Document Available
  • 03/19/2025 03:18 PM EDT
CSMS # 64470161 - Guidance: QB 25-210 2025 Peanuts
  • 03/19/2025 03:13 PM EDT
CSMS # 64467192 - Information: QB 25-308 2025 Specialty Sugar Period 4
  • 03/19/2025 11:57 AM EDT
CSMS # 64465898 - Publication of ACE Cargo Release Business Rules and Process Document, Version 4.0
  • 03/19/2025 10:14 AM EDT
CSMS # 64457308 - ACE Certification Standard Invasive Maintenance Window on Wednesday March 19, 2025
  • 03/18/2025 02:47 PM EDT
CSMS # 64456886 - 232 EU Extended “STX” Exclusions Revoked
  • 03/18/2025 02:37 PM EDT
CSMS # 64445407 - Updated Cargo Release Condition Codes Document Available
  • 03/17/2025 02:59 PM EDT
CSMS # 64445218 - CAMIR and CATAIR Implementation Guide Updates for the ACE Certification Deployment: LVSS Codes
  • 03/17/2025 02:53 PM EDT
CSMS # 64443556 - Completed - ACE manifest EDI Outage for ALL MOT's
  • 03/17/2025 01:00 PM EDT
CSMS # 64442863 - ACE manifest EDI Outage for ALL MOT's
  • 03/17/2025 12:10 PM EDT
CSMS # 64418992 - Updated ACE Development and Deployment Schedule Posted to CBP.gov/ACE
  • 03/17/2025 11:19 AM EDT
CSMS # 64441676 - RESOLVED Entry Summary Issue Impacting Section 232 Steel Goods with Republic of Korea Country of Origin
  • 03/17/2025 10:57 AM EDT
CSMS # 64421930 - Entry Summary Issue Impacting Section 232 Steel Goods with Republic of Korea Country of Origin
  • 03/14/2025 03:51 PM EDT
CSMS # 64410085 - Update to Automated Export System (AES) Appendix F - Other Partnership Agency License Type Code – OPA validation
  • 03/13/2025 04:30 PM EDT
CSMS # 64409769 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, March 15, 2025, to 4:00 a.m. ET Sunday, March 16, 2025
  • 03/13/2025 04:15 PM EDT
CSMS # 64405973 - Correction: NCSD April 2025 Webinars
  • 03/13/2025 12:02 PM EDT
CSMS # 64404180 - Deployment Reminder (and CERT Update) for Changes Related to FDA ACE Supplemental Guide 2.5.12
  • 03/13/2025 09:55 AM EDT
CSMS # 64397405 - Addressed - Delayed Outbound Notifications for ACE In-Bond
  • 03/12/2025 04:09 PM EDT
CSMS # 64397102 - Harmonized System Update (HSU) 2510 and 2511
  • 03/12/2025 04:01 PM EDT
CSMS # 64396969 - Updates to Entry Summary Bond Validations to deploy March 12, 2025
  • 03/12/2025 03:42 PM EDT
CSMS # 64396596 - Delayed Outbound Notifications for ACE In-Bond
  • 03/12/2025 03:12 PM EDT
CSMS # 64395586 - RESOLVED: Error 775 - TRFF ADJSTMNT HTS NOT ALLOWED on Certain Section 232 Entry Summaries
  • 03/12/2025 02:16 PM EDT
CSMS # 64394613 - Error 775 - TRFF ADJSTMNT HTS NOT ALLOWED on Certain Section 232 Entry Summaries
  • 03/12/2025 12:59 PM EDT
CSMS # 64393496 - REMINDER & WEBINAR: Public Comment Period of USMCA Interim Final Rule (IFR) - Implementing Regulations Related to Textiles and Apparel, Automotive Goods, Drawback Duty-Deferral, and other Provisions - Closes March 18, 2025
  • 03/12/2025 11:39 AM EDT
CSMS # 64384496 - UPDATED GUIDANCE: Import Duties on Imports of Aluminum and Aluminum Derivative Products
  • 03/11/2025 09:24 PM EDT
CSMS # 64384423 - UPDATED GUIDANCE: Import Duties on Imports of Steel and Steel Derivative Products
  • 03/11/2025 09:05 PM EDT
CSMS # 64379480 - NCSD April 2025 Webinars
  • 03/11/2025 01:25 PM EDT
CSMS # 64377272 - ACE Certification Standard Invasive Maintenance Window on March 12, 2025, from 5:00 pm to 8:00 pm ET
  • 03/11/2025 10:57 AM EDT
CSMS # 64375535 - Quota Guidance: Proclamation 10896 of February 10, 2025, Adjusting Imports of Steel and Aluminum into the United States
  • 03/11/2025 08:21 AM EDT
CSMS # 64366569 - ACE Entry Summary Error Dictionary Updates for Blanket Reconciliation and Bond Validation
  • 03/10/2025 12:28 PM EDT
CSMS # 64366327 - ACE Entry Summary Create/Update CATAIR Updated with Aluminum Smelt and Cast and Steel Melt and Pour Changes
  • 03/10/2025 12:04 PM EDT
CSMS # 64366037 - ACE Reports Value Issue in Automated Export System Universe
  • 03/10/2025 11:52 AM EDT
CSMS # 64348288 - GUIDANCE: Import Duties on Imports of Aluminum and Aluminum Derivative Products
  • 03/07/2025 06:28 PM EST
CSMS # 64348411 - GUIDANCE: Import Duties on Imports of Steel and Steel Derivative Products
  • 03/07/2025 06:23 PM EST
CSMS # 64347680 - UPDATE: Harmonized System Update (HSU) 2509
  • 03/07/2025 05:06 PM EST
CSMS # 64342145 - Harmonized System Update (HSU) 2509
  • 03/07/2025 10:59 AM EST
CSMS # 64335789 - GUIDANCE – Update on Additional Duties on Imports from Mexico - USMCA Qualifying Products and Potash
  • 03/06/2025 07:34 PM EST
CSMS # 64336037 - GUIDANCE – Update on Additional Duties on Imports from Canada – USMCA Qualifying Products and Potash
  • 03/06/2025 07:32 PM EST
CSMS # 64333237 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, March 8, 2025, to 4:00 a.m. ET Sunday, March 9, 2025
  • 03/06/2025 03:10 PM EST
CSMS # 64330423 - Initiation of Antidumping Duty Investigations: Methylene Diphenyl Dissocyanate from the People’s Republic of China
  • 03/06/2025 12:04 PM EST
CSMS # 64328569 - IMPORTANT: ACE Portal Access Unavailable for Some User Accounts
  • 03/06/2025 10:10 AM EST
CSMS # 64321322 - Update to Automated Export System (AES) Response Message 15A
  • 03/05/2025 04:17 PM EST
CSMS # 64318036 - FDA Entry Processing Delay
  • 03/05/2025 12:10 PM EST
CSMS # 64317842 - Harmonized System Update (HSU) 2508
  • 03/05/2025 12:05 PM EST
CSMS # 64309714 - ACE Certification Standard Invasive Maintenance Window on Wednesday, March 05, 2025
  • 03/04/2025 05:09 PM EST

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These documents may qualify as a “guidance document” as set forth in Executive Order 13891 and interpretations thereof; such guidance documents are not binding and lack the force and effect of law, except as authorized by law or as incorporated into a contract. These documents are being posted to this portal to provide stakeholders with useful information.

 

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Last Modified: Jan 08, 2024