CSMS 58388831·System update·November 14, 2023·View on csms.cbp.gov ↗

Updated ‘ACE Tips for Filing EPA Hydrofluorocarbons (HFCs)’ is now available

Plain-English explanation

CSMS 58388831 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (system update), published on November 14, 2023. It carries the official CBP guidance brokers and importers must follow for the topic — "Updated ‘ACE Tips for Filing EPA Hydrofluorocarbons (HFCs)’ is now available". 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 # 58388831 - Updated ‘ACE Tips for Filing EPA Hydrofluorocarbons (HFCs)’ is now available U.S. Customs and Border Protection sent this bulletin at 11/14/2023 11:02 AM EST Cargo Systems Messaging Service CSMS # 58388831 - Updated ‘ACE Tips for Filing EPA Hydrofluorocarbons (HFCs)’ is now available An update to the ‘ACE Tips for Filing EPA Hydrofluorocarbons (HFCs)’ provides an overview of the program and tips for filing that can help clarify what is filed when and avoid potential filing errors. The HFC Tips Sheet is available here: https://www.cbp.gov/document/fact-sheets/ace-tips-filing-epa-hfcs The HFC Filing Tips sheet content, along with other useful information, will be covered in an upcoming webinar hosted by CBP on November 14, 2023, at 1:30 p.m . This webinar was announced in TRADE EVENTS on November 1, 2023. The HFC filing requirements and capabilities are expected to be in Production in ACE in early January 2024. A future CSMS will be sent to confirm the actual date. If you have questions on this version of the HFC Filing Tips sheet please contact hfcallocation@epa.gov For information on the new rule, please visit: https://www.epa.gov/climate-hfcs-reduction/regulatory-actions-allowance-allocation-and-reporting . Related Message: TRADE EVENTS message November 1, 2023: Hydrofluorocarbons (HFC) PGA Filing Updates Webinar | Tuesday, November 14, 2023, at 1:30 p.m. ET 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 58388831?

CSMS 58388831 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Updated ‘ACE Tips for Filing EPA Hydrofluorocarbons (HFCs)’ is now available". 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 58388831 published?

CBP published CSMS 58388831 on November 14, 2023. 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.