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 # 65162656 - ACE Certification Standard Invasive Maintenance Window on May 28, 2025, from 5:00 PM to 8:00 PM ET

• 05/27/2025 01:18 PM EDT

CSMS # 65136263 - Initiation of Antidumping and Countervailing Duty Investigations: Silicon Metal from Angola, Australia, the Lao People’s Democratic Republic (Laos), Norway, and Thailand

• 05/23/2025 03:55 PM EDT

CSMS # 65136142 - Update of the Drawback Guidelines CATAIR for the Increase in Harmonized Tariffs Per Entry Summary Line

• 05/23/2025 03:54 PM EDT

CSMS # 65136115 - ACE Truck Manifest – Arriving Manifest with Preliminary Status No Longer Permitted

• 05/23/2025 03:50 PM EDT

CSMS # 65135376 - How CBP Protects Intellectual Property Rights at the Border Webinar to be held Tuesday, June 3, 2025, at 11:30 a.m. ET

• 05/23/2025 02:51 PM EDT

CSMS # 65134674 - ACE Currency Exchange Rates Update to Transmit USD-Euro Rate for Eurozone Countries Will Become Effective Tuesday, May 27, 2025

• 05/23/2025 01:47 PM EDT

CSMS # 65120729 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, May 24, 2025, to 4:00 a.m. ET Sunday, May 25, 2025

• 05/22/2025 11:53 AM EDT

CSMS # 65109243 - Intended Use Description (PG01) Not Valid for FDA

• 05/21/2025 01:08 PM EDT

CSMS # 65106231 - ACE CATAIRs & Recon Error Dictionary Updated for the Increase in HTS Code Limit per Entry Summary Line

• 05/21/2025 09:52 AM EDT

CSMS # 65096092 - REMINDER: ACE Reports Webinar Set for Tomorrow, May 21

• 05/20/2025 01:00 PM EDT

CSMS # 65095938 - National Commodity Specialist Division (NCSD) June 2025 Webinars

• 05/20/2025 12:47 PM EDT

CSMS # 65093600 - ACE Certification Standard Invasive Maintenance Window on May 21, 2025, from 5:00 p.m. to 8:00 p.m. ET

• 05/20/2025 09:19 AM EDT

CSMS # 65093429 - Food and Drug Administration (FDA) End-Dating Center for Devices and Radiological Health (CDRH) Product Code and New Center for Drug Evaluation and Research (CDER) and Human Foods Program (HFP) Product Codes

• 05/20/2025 08:59 AM EDT

CSMS # 65085412 - Information: QB 25-309 2025 Specialty Sugar Period 5

• 05/19/2025 01:45 PM EDT

CSMS # 65085008 - ACE Air, Ocean and Rail CAMIR New De Minimis Notification Code

• 05/19/2025 01:14 PM EDT

CSMS # 65054354 - UPDATE: Energy and Energy Resources of Canada Subject to Additional Duties Pursuant to Executive Order

• 05/15/2025 06:19 PM EDT

CSMS # 65054270 - UPDATED GUIDANCE – Executive Order 14289 Addressing Certain Tariffs on Imported Articles

• 05/15/2025 06:17 PM EDT

CSMS # 65049270 - REMINDER: ACE Reports Webinar Set for May 21, 2025, at 1:00 p.m. ET

• 05/15/2025 01:20 PM EDT

CSMS # 65047297 - Harmonized System Update (HSU) 2518 and 2519

• 05/15/2025 09:31 AM EDT

CSMS # 65027626 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, May 17, 2025, to 4:00 a.m. ET Sunday, May 18, 2025

• 05/15/2025 09:00 AM EDT

CSMS # 65038587 - Updated ACE Development and Deployment Schedule Posted to CBP.gov/ACE

• 05/14/2025 02:47 PM EDT

CSMS # 65038744 - ACE Biweekly Trade Support Call May 15, 2025, Canceled

• 05/14/2025 01:42 PM EDT

CSMS # 65029543 - Update to GUIDANCE: Federal Register Notice Published on De Minimis Requirements Per Executive Order 14256 and Guidance for Carriers Transporting International Mail

• 05/13/2025 04:47 PM EDT

CSMS # 65029337 - Guidance – Modifying Reciprocal Tariff Rate for China

• 05/13/2025 04:20 PM EDT

CSMS # 65023648 - ACE Certification Standard Invasive Maintenance Window on May 14, 2025, from 5:00 p.m. to 8:00 p.m. ET

• 05/13/2025 09:20 AM EDT

CSMS # 65015372 - Facility Requirements for Bonded Warehouse Entries (19 CFR Part 144, Subpart B)

• 05/12/2025 01:45 PM EDT

CSMS # 64995575 - UPDATE: On May 15, 2025, with the 2:00 p.m. ACE Deployment, CBP will Enforce a New Validation Requiring Supplemental Information when Submitting to the Export Manifest Email Inbox

• 05/09/2025 04:07 PM EDT

CSMS # 64984115 - Notice of Update to the Drawback Error Dictionary for Validation FD07

• 05/08/2025 04:56 PM EDT

CSMS # 64981848 - SAVE THE DATE: ACE Reports Webinars Series Begins May 21

• 05/08/2025 01:00 PM EDT

CSMS # 64981850 - Department of State, Office of Marine Conservation (OMC) Valid Country Code Notification

• 05/08/2025 12:29 PM EDT

CSMS # 64979042 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, May 10, 2025, to 4:00 a.m. ET Sunday, May 11, 2025

• 05/08/2025 09:09 AM EDT

CSMS # 64970723 - Cargo Release Status Message Delays

• 05/07/2025 01:58 PM EDT

CSMS # 64957404 - Informal Entry Guidance: Clarifying When Separate Informal Entries May be Filed for Merchandise Consigned to One Consignee

• 05/06/2025 10:50 AM EDT

CSMS # 64956194 - Update to Automated Export System (AES) Appendix F – Update to C65 and C75 License Type Codes

• 05/06/2025 09:27 AM EDT

CSMS # 64927576 - ACE Air, Ocean and Rail CAMIR New Disposition Codes - Invalid Cargo Description

• 05/02/2025 02:12 PM EDT

CSMS # 64904772 - Trade Remedy Law Enforcement Directorate (TRLED) Webinar Series for Fiscal Year 2025

• 05/02/2025 09:00 AM EDT

CSMS # 64917563 - REMINDER: De Minimis Restrictions for China and Hong Kong Effective 12:01 a.m. EDT May 2, 2025

• 05/01/2025 04:15 PM EDT

CSMS # 64916652 - UPDATE to CSMS # 64913145:D GUIDANCE: Import Duties on Certain Automobile Parts

• 05/01/2025 03:17 PM EDT

CSMS # 64916414 - Executive Order Addressing Certain Tariffs on Imported Articles

• 05/01/2025 02:46 PM EDT

CSMS # 64916007 - Harmonized System Update (HSU) 2517

• 05/01/2025 02:14 PM EDT

CSMS # 64914153 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, May 03, 2025, to 4:00 a.m. ET Sunday, May 04, 2025

• 05/01/2025 12:13 PM EDT

CSMS # 64913145 - GUIDANCE: Import Duties on Certain Automobile Parts

• 05/01/2025 11:17 AM EDT

CSMS # 64907754 - Resolved -Delays with all EDI processing

• 04/30/2025 08:03 PM EDT

CSMS # 64904719 - Update -Delays with all EDI processing

• 04/30/2025 03:24 PM EDT

CSMS # 64904294 - Delays with all EDI processing

• 04/30/2025 02:57 PM EDT

CSMS # 64903386 - ACE Ocean Import Manifest Status Notifications

• 04/30/2025 01:53 PM EDT

CSMS # 64901046 - ACE Support Biweekly Trade Call May 1, 2025, Canceled

• 04/30/2025 11:25 AM EDT

CSMS # 64896520 - Update to CSMS # 64895505 : Cargo Release and Ocean Manifest Status Delays

• 04/29/2025 10:29 PM EDT

CSMS # 64895505 - Update: Cargo Release and Ocean Manifest Status Delays

• 04/29/2025 08:05 PM EDT

CSMS # 64891507 - Updates to ACE CATAIR Error Dictionary for Entry Summary

• 04/29/2025 02:30 PM EDT

CSMS # 64888660 - ACE Certification Standard Invasive Maintenance Window on April 30, 2025, from 5:00 p.m. to 8:00 p.m. ET

• 04/29/2025 10:00 AM EDT

CSMS # 64888215 - Agriculture Marketing Service (AMS) Publishes Updated CATAIR/Implementation Guide and Organic Tips for Trade

• 04/29/2025 09:22 AM EDT

CSMS # 64887986 - The Document Image System (DIS) Implementation Guide (IG) Has Been Updated

• 04/29/2025 09:16 AM EDT

CSMS # 64881754 - Updated Version of the CATAIR AD/CVD Case Information Query Posted to CBP.gov

• 04/28/2025 03:28 PM EDT

CSMS # 64877951 - Cargo Release and Ocean Manifest Status Delays

• 04/28/2025 10:21 AM EDT

CSMS # 64861116 - GUIDANCE: Federal Register Notice Published on De Minimis Requirements Per Executive Order 14256 and Guidance for Carriers Transporting International Mail

• 04/25/2025 05:34 PM EDT

CSMS # 64859298 - Pipeline Monthly Entry Process Is Limited to Nondutiable Merchandise

• 04/25/2025 02:37 PM EDT

CSMS # 64855868 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, April 26, 2025, to 4:00 a.m. ET Sunday, April 27, 2025

• 04/25/2025 10:03 AM EDT

CSMS # 64849340 - An updated Ocean Export Manifest Email Technical Requirements document has been posted with guidance for submitting the supplemental 1302A information

• 04/24/2025 05:14 PM EDT

CSMS # 64830512 - CORRECTION: Deadline Extended and Updated Requirements for Submitting CBP Form 1302A Cargo Declaration via ACE Document Image System (DIS)

• 04/23/2025 08:53 AM EDT

CSMS # 64825584 - CERT Deployment set for today of Error Codes and Status Notifications for ACE Processing of De Minimis Shipments supporting Executive Order (EO) 14256

• 04/22/2025 05:23 PM EDT

CSMS # 64825264 - ACE Certification Standard Invasive Maintenance Window on April 23, 2025

• 04/22/2025 04:37 PM EDT

CSMS # 64824685 - ACE Truck CAMIR New Disposition Codes - Invalid Cargo Description

• 04/22/2025 04:04 PM EDT

CSMS # 64824395 - CSMS # 64824395 - Initiation of Antidumping and Countervailing Duty Investigations: Certain Monomers and Oligomers from Republic of Korea (Korea) and Taiwan

• 04/22/2025 03:53 PM EDT

CSMS # 64824427 - Truck Manifest Implementation Guide Update – Section 321 U.S. State Codes

• 04/22/2025 03:31 PM EDT

CSMS # 64812375 - Harmonized System Update (HSU) 2516

• 04/21/2025 03:07 PM EDT

CSMS # 64812316 - Updated version of the EPA documentation for ACE users has been posted to CBP.gov

• 04/21/2025 02:58 PM EDT

CSMS # 64811742 - Webinar Announcement: Commerce Department Regulations Enhancing the Administration of the Antidumping and Countervailing Duty Trade Remedy Laws

• 04/21/2025 02:13 PM EDT

CSMS # 64792502 - GUIDANCE: ACE Processing of De Minimis Shipments Per Executive Order 14256 Issued April 2, 2025, “Further Amendment to Duties Addressing the Synthetic Opioid Supply Chain in the People’s Republic of China as Applied to Low-Value Imports,” as Amended by Subsequent Orders

• 04/18/2025 04:40 PM EDT

CSMS # 64791231 - ACE Reports Data Refresh Update

• 04/18/2025 02:40 PM EDT

CSMS # 64774304 - QB 25-330 2025 Special Agricultural Safeguard Measures for Sugar-Containing Products

• 04/17/2025 08:45 AM EDT

CSMS # 64774087 - April 14, 2025, Quota Opening: QB 25-313 2025 Specialty Sugar 4 Results

• 04/17/2025 08:41 AM EDT

CSMS # 64774016 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, April 19, 2025, to 4:00 a.m. ET Sunday, April 20, 2025

• 04/17/2025 08:27 AM EDT

CSMS # 64765075 - National Commodity Specialist Division (NCSD) May 2025 Webinars

• 04/16/2025 12:26 PM EDT

CSMS # 64764215 - Food and Drug Administration (FDA) End-Dating Center for Devices and Radiological Health (CDRH) Product Code and New Center for Drug Evaluation and Research (CDER) and Human Foods Program (HFP) Product Codes

• 04/16/2025 11:09 AM EDT

CSMS # 64751470 - ACE Certification Standard Invasive Maintenance Window on April 16, 2025, from 5:00 p.m. ET to 8:00 p.m. ET

• 04/15/2025 10:45 AM EDT

CSMS # 64724565 - UPDATED GUIDANCE – Reciprocal Tariff Exclusion for Specified Products; April 5, 2025 Effective Date

• 04/11/2025 10:36 PM EDT

CSMS # 64723363 - RESOLVED: Issue with HTS 9903.01.25 as advised in CSMS # 64680374

• 04/11/2025 06:54 PM EDT

CSMS # 64721388 - REMINDER: ACE Portal Training Guides Available on CBP.gov

• 04/11/2025 03:54 PM EDT

CSMS # 64716881 - RESOLVED: Delay Processing Some Food and Drug Administration (FDA) Entries

• 04/11/2025 10:07 AM EDT

CSMS # 64716609 - Harmonized System Update (HSU) 2514

• 04/11/2025 09:56 AM EDT

CSMS # 64715655 - Issue with HTS 9903.0125 as advised in CSMS # 64680374

• 04/11/2025 08:16 AM EDT

CSMS # 64710039 - Malformed QR Codes for ACE Truck Manifest

• 04/10/2025 04:27 PM EDT

CSMS # 64709245 - Harmonized System Update (HSU) 2515

• 04/10/2025 03:19 PM EDT

CSMS # 64708462 - Initiation of Antidumping and Countervailing Duty Investigations: Polypropylene Corrugated Boxes from the People’s Republic of China (China) and the Socialist Republic of Vietnam (Vietnam)

• 04/10/2025 02:24 PM EDT

CSMS # 64708176 - DON’T FORGET TO REGISTER! 2025 Trade and Cargo Security Summit (TCSS)

• 04/10/2025 02:06 PM EDT

CSMS # 64706133 - ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, April 12, 2025, to 4:00 a.m. ET Sunday, April 13, 2025

• 04/10/2025 11:40 AM EDT

CSMS # 64705939 - RESOLVED: Error F624 EST DUTY/CALC'D DUTY MISMATCH – LINE; 99038191 & 99038508 With SPI C or JP Rejecting in Error

• 04/10/2025 11:20 AM EDT

CSMS # 64704190 - Updated ACE Development and Deployment Schedule Posted to CBP.gov/ACE

• 04/10/2025 09:09 AM EDT

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

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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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