CSMS 64299816·Operational·March 3, 2025·View on csms.cbp.gov ↗

UPDATE – Additional Duties on Imports from China and Hong Kong

Plain-English explanation

CSMS 64299816 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin (operational), published on March 3, 2025. It carries the official CBP guidance brokers and importers must follow for the topic — "UPDATE – Additional Duties on Imports from China and Hong Kong". 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 # 64299816 - UPDATE – Additional Duties on Imports from China and Hong Kong U.S. Customs and Border Protection sent this bulletin at 03/03/2025 10:34 PM EST Cargo Systems Messaging Service CSMS # 64299816 - UPDATE – Additional Duties on Imports from China and Hong Kong The purpose of this message is to provide an update on the additional duties for imports that are the products of China and Hong Kong, pursuant to the Executive Order (EO) titled Further Amendment to Duties Addressing the Synthetic Opioid Supply Chain in the People’s Republic of China, signed on March 3, 2025. As directed by the EO, U.S. Customs and Border Protection (CBP), is updating the additional duties from 10% to 20% and implementing a new Chapter 99 HTSUS number. GUIDANCE APPLICATION OF INCREASED DUTY RATES The following HTSUS classifications and additional duty rates will apply for goods that are the products of China and Hong Kong, entered for consumption, or withdrawn from warehouse for consumption, on or after 12:01 a.m. eastern standard time on February 4, 2025, through March 3, 2025: 9903.01.20: All imports of articles that are products of China and Hong Kong, other than products classifiable under headings 9903.01.21, 9903.01.22, and 9903.01.23, and other than products for personal use included in accompanied baggage of persons arriving in the United States, will be assessed an additional ad valorem rate of duty of 10% . The following HTSUS classifications and additional duty rates will apply for goods that are the products of China and Hong Kong, entered for consumption, or withdrawn from warehouse for consumption, on or after 12:01 a.m. eastern standard time on March 4, 2025: 9903.01.24: All imports of articles that are products of China and Hong Kong, other than products classifiable under headings 9903.01.21, 9903.01.22, and 9903.01.23, and other than products for personal use included in accompanied baggage of persons arriving in the United States, will be assessed an additional ad valorem rate of duty of 20%. The additional ad valorem duty provided for in headings 9903.01.20 and 9903.01.24 applies in addition to all other applicable duties (including antidumping and countervailing duties), taxes, fees, exactions, and charges. Products of China that are eligible for temporary duty exemptions or reductions under subchapter II to chapter 99 will be subject to the additional ad valorem rate of duty imposed by heading 9903.01.24. EXCLUSIONS The following HTSUS classifications apply to products that are excluded from the additional ad valorem duties: 9903.01.21: Articles the product of China and Hong Kong that are donations, by persons subject to the jurisdiction of the United States, of articles, such as food, clothing, and medicine, intended to be used to relieve human suffering. 9903.01.22: Articles the product of China and Hong Kong that are informational materials, including but not limited to, publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks, and news wire feeds. 9903.01.23: Except for products described in headings 9903.01.21 and 9903.01.22, and other than products for personal use included in accompanied baggage of persons arriving in the United States, articles the product of China and Hong Kong that: (1) were loaded onto a vessel at the port of loading, or in transit on the final mode of transport prior to entry into the United States, before 12:01 a.m. eastern standard time on February 1, 2025; and (2) are entered for consumption, or withdrawn from warehouse for consumption, on or after 12:01 a.m. eastern standard time on February 4, 2025, and before 12:01 a.m. eastern standard time on March 7, 2025. CHAPTER 98 The additional duties imposed by heading 9903.01.20 and 9903.01.24 will not apply to goods for which entry is properly claimed under a provision of chapter 98 of the tariff schedule pursuant to applicable regulations of CBP, and whenever CBP agrees that entry under such a provision is appropriate, except for goods entered under heading 9802.00.80; and subheadings 9802.00.40, 9802.00.50, and 9802.00.60. For subheadings 9802.00.40, 9802.00.50, and 9802.00.60, the additional duties apply to the value of repairs, alterations, or processing performed (in China and Hong Kong), as described in the applicable subheading. For heading 9802.00.80, the additional duties apply to the value of the article assembled abroad (in China and Hong Kong), less the cost or value of such products of the United States, as described. FOREIGN TRADE ZONE Articles that are products of China and Hong Kong, excluding those encompassed by 50 U.S.C. 1702(b), except those that are eligible for admission to a foreign trade zone under "domestic status" as defined in 19 CFR 146.43, and are admitted into a United States foreign trade zone on or after 12:01 a.m. eastern standard time on February 4, 2025, must be admitted as "privileged foreign status" as defined in 19 CFR 146.41. Such articles will be subject, upon entry for consumption, to the duties imposed by this order and the rates of duty related to the classification under the applicable HTSUS subheading in effect at the time of admission into the United States foreign trade zone. DRAWBACK No drawback is available with respect to the additional duties imposed pursuant to the Executive Order, as implemented in the Federal Register Notice. DE MINIMIS The administrative exemption from duty and certain taxes at 19 U.S.C. 1321(a)(2)(C), known as the de minimis exemption, continues to be available for articles covered by headings 9903.01.20 and 9903.01.24 that are otherwise eligible for the exemption, including eligible articles sent to the United States through the international postal network. CBP will provide additional guidance to the trade community through CSMS messages as appropriate. If you encounter any errors in filing an entry summary, contact your CBP client representative or the ACE Help Desk. Questions regarding this memorandum should be directed to the Trade Operations Division (TOD) email attribute at OFO-TRADEOPERATIONS@cbp.dhs.gov , or the OT, TPP, Commercial Operations, Revenue and Entry Division (CORE) email attribute at OTENTRYSUMMARY@cbp.dhs.gov . Related CSMS: 63988468 , 63992482 , 64045612 , 64082249 , 64018403 , 64235342 , 64196888 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 64299816?

CSMS 64299816 is a U.S. Customs and Border Protection (CBP) Cargo Systems Messaging Service bulletin titled "UPDATE – Additional Duties on Imports from China and Hong Kong". 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 64299816 published?

CBP published CSMS 64299816 on March 3, 2025. 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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