CSMS 51938400·System update·May 19, 2022·View on csms.cbp.gov ↗

Notification of Updates to the ACE Tips for Filing EPA Hydrofluorocarbons (HFC)

Plain-English explanation

CSMS 51938400 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (system update), published on May 19, 2022. It carries the official CBP guidance brokers and importers must follow for the topic — "Notification of Updates to the ACE Tips for Filing EPA Hydrofluorocarbons (HFC)". 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 #51938400 - Notification of Updates to the ACE Tips for Filing EPA Hydrofluorocarbons (HFC) U.S. Customs and Border Protection sent this bulletin at 05/19/2022 10:47 AM EDT Cargo Systems Messaging Service CSMS #51938400 - Notification of Updates to the ACE Tips for Filing EPA Hydrofluorocarbons (HFC) The purpose of this message is to inform you of updates to the ACE Tips for Filing EPA HFCs . The tips sheet is provided to assist importers or their authorized agents with filing obligations related to import regulations for bulk h ydrofluorocarbons ( HFCs) under the American Innovation and Manufacturing (AIM) Act. As part of the AIM Act phasedown of HFCs, starting January 1, 2022, there are requirements for imports of HFCs. Specifically, imports of bulk HFCs and HFC blends of any quantity require allowances, subject to limited exceptions. In addition, EPA is requiring information to be electronically filed through ACE no later than 14 days prior to importation. The updated tips sheet includes the most current Harmonized Tariff Schedule (HTS) codes for HFCs, guidance on how to file required information in ACE, and additional guidance on how to file in ACE for HFC shipments imported for destruction or transformation, or for shipments entering a Foreign Trade Zone (FTZ) or to be transhipped through the United States. The tips sheet is available on CBP’s website . More information about the AIM Act and EPA’s regulations can be found at: https://www.epa.gov/climate-hfcs-reduction . In addition, a fact sheet for importers can be found here: https://www.epa.gov/system/files/documents/2021-11/hfc-allocation-rule-importer-requirements-fact-sheet.pdf . 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 51938400?

CSMS 51938400 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "Notification of Updates to the ACE Tips for Filing EPA Hydrofluorocarbons (HFC)". 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 51938400 published?

CBP published CSMS 51938400 on May 19, 2022. 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.

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