CSMS 46278734·Operational·February 17, 2021·View on csms.cbp.gov ↗

The APHIS Core Message Set implementation documents have been updated

Plain-English explanation

CSMS 46278734 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on February 17, 2021. It carries the official CBP guidance brokers and importers must follow for the topic — "The APHIS Core Message Set implementation documents have been updated". 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

CSMS #46278734 - The APHIS Core Message Set implementation documents have been updated U.S. Customs and Border Protection sent this bulletin at 02/17/2021 04:15 PM EST Cargo Systems Messaging Service CSMS #46278734 - The APHIS Core Message Set implementation documents have been updated The APHIS (CORE) PGA Message Set: Implementation Guide, and APHIS Supplemental Trade Guide - Appendix APH-A, have been updated. Changes were made to allow filers to report the utilization of electronic phytosanitary certificates (ePhyto’s) within ACE. Electronic Phytosanitary certificates (aka ePhyto’s) are sent by participating foreign governments through the International Plant Convention (IPPC) ePhyto world hub, then to APHIS and then to ACE DIS environment. Only utilize LPCO type AE1 code if the phytosanitary certificates are being sent via this mechanism – otherwise report A01 for paper certificates. APHIS has also corrected various typographical errors and provided business process clarifications throughout these documents. Important note to filers: APHIS is discontinuing the requirement to report the quantities of Bouquets and Bunches in PG26, as well as their PG07 groupings for the AP0800 Cut flower Commodity Category Type. These changes are expected to be deployed in CBP’s Certification region on February 20, 2021 and expected in the Production region on March 20, 2021 . APHIS provides a multitude of resources that include the APHIS ACE website, the APHIS Core Implementation Guide, and the APHIS Supplemental Trade Guide. For individual support, please contact the APHIS Core message set help desk at ACE.ITDS@usda.gov . Update your subscriptions, modify your password or e-mail address, or stop subscriptions at any time on your Subscriber Preferences Page . You will need to use your e-mail address to log in. If you have questions or problems with the subscription service, please contact subscriberhelp.govdelivery.com . This service is provided to you at no charge by U.S. Customs and Border Protection . Privacy Policy | GovDelivery is providing this information on behalf of U.S. Department of Homeland Security, and may not use the information for any other purposes. Powered by Privacy Policy | Cookie Statement | Help

Frequently asked questions

What is CSMS 46278734?

CSMS 46278734 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "The APHIS Core Message Set implementation documents have been updated". 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 46278734 published?

CBP published CSMS 46278734 on February 17, 2021. 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.

Learn more

Tandom guides relevant to CBP CSMS messages

Subscribe to and triage CBP CSMS messages

How to subscribe to CBP Cargo Systems Messaging Service and triage the messages that change broker filing behavior, without losing the ones that matter.

Open resource

Real-time alerts when a CSMS message changes a duty rate

Set up alerts when a CBP CSMS message changes a duty rate on an HTS code you depend on. Built for brokers, forwarders, and importer compliance teams.