CBP issues updated ACE guidance on Section 301 China conforming amendment for five exclusions

CBP states in CSMS # 70261629 that ACE will accept entries under the conforming amendment to five Section 301 China product exclusions from 6 pm on October 23, 2026, reflecting USTR's Federal Register notices 91 FR 56538 and 91 FR 64211 and the July 1, 2026 changes to ten-digit HTSUS statistical reporting categories. The amendment revises U.S. notes 20(vvv)(i)(4), (i)(5), (i)(6), (i)(20) and (iv)(4) to subchapter III of chapter 99, all reported under 9903.88.69, replacing classifications 8413.91.9065, 8413.91.9085, 8413.91.9096, 3926.90.9910 and 8479.90.9596 with 8413.91.9039, 8413.91.9046, 8413.91.9059, 8413.91.9099, 3926.90.9915, 3926.90.9920 and 8479.90.9591. Importers must not submit the corresponding Chapter 99 HTSUS number for Section 301 China duties when 9903.88.69 is submitted.

CBP issues updated Section 232 guidance on pharmaceutical imports under Proclamation 11020

CBP states in CSMS # 70054007 that updated guidance covers Section 232 duties on pharmaceutical articles and ingredients under Proclamation 11020 and the September 23, 2026 Federal Register notice (91 FR 60360), with duties effective July 31, 2026 for Annex III companies and September 29, 2026 for all other companies. Entries use HTSUS headings 9903.04.60–9903.04.70, including 100% for patented articles under 9903.04.60, 15% for Japan, EU member countries, South Korea, Switzerland and Liechtenstein under 9903.04.62, and 0% for the United Kingdom under 9903.04.63. The notice makes five technical corrections to Annex I and one to Annex IV, removing 2937.23.50, 3002.13.00, 3002.14.00, 3002.15.00 and 3004.49.00 from Annex IV.

CBP: certain Canadian products excluded from U.S. importation under Proclamations 11061, 11062 and 11063 from September 29, 2026

CBP states in CSMS # 70050970 that, effective September 29, 2026, at 12:01 a.m. Eastern Time, certain covered products of Canada identified in the Annexes to Presidential Proclamations 11061, 11062 and 11063 are excluded from importation into the United States, covering certain commodities under HTSUS headings 0404, 1702, 1703, 2202, 2203, 2204, 2205, 2206, 2207, 2208 and 8711. Exclusion precludes admission into a Foreign Trade Zone or bonded warehouse, in-bond transportation and entry for consumption, and any entry containing covered products will be unconditionally rejected; entries filed in ACE that have not been released will be cancelled as of that time. Covered products imported before September 29, 2026, 12:01 a.m.

CBP issues guidance on Section 301 China conforming amendment to four product exclusions

CBP states in CSMS # 69990649 that USTR's Federal Register notice 91 FR 56538, published September 2, 2026, amends four Section 301 China product exclusions to conform with HTSUS ten-digit statistical reporting changes effective July 1, 2026, and that ACE will accept the conforming amendment from noon on September 23, 2026. U.S. notes 20(vvv)(i)(4), (i)(5) and (i)(6) under 9903.88.69 now cover statistical reporting numbers 8413.91.9039, 8413.91.9046, 8413.91.9059 and 8413.91.9099, which were previously classified under 8413.91.9065, 8413.91.9085 or 8413.91.9096 through June 30, 2026. U.S. note 20(vvv)(iv)(4) under 9903.88.69 now covers 3926.90.9915 and 3926.90.9920, previously classified under 3926.90.9910.

CBP corrects CSMS # 69941677, updating Section 338 exemption HTS to 9903.03.15 in ACE CATAIR Error Dictionary V53

CBP states in CSMS # 69941677 that it corrects CSMS 69915227 by updating the applicable HTS number to 9903.03.15 in the ACE CATAIR Entry Summary Error Dictionary V53, which was posted under the Supporting Documents: Documentation for Entry Summary Chapters section on CBP.gov. The update adds error F884, EXEMPT HTS NOT ALLOWED FOR SECTION 338: use of exemption HTS 9903.03.15 for S338 is not allowed because no appropriate dutiable Chapter 99 HTS is reported on the line. The update was deployed to the CERTIFICATION (CERT) and PRODUCTION (PROD) environments on August 26, 2026.

CBP updates ACE CATAIR Entry Summary Error Dictionary V53 with error F884 on Section 338 exemption HTS

CBP states in CSMS # 69915227 that an updated version of the ACE CATAIR Entry Summary Error Dictionary V53 has been posted under the Supporting Documents: Documentation for Entry Summary Chapters section on CBP.gov. The update adds error F884 – EXEMPT HTS NOT ALLOWED FOR SECTION 338, which applies when exemption HTS 9903.03.05 is used for S338 and no appropriate dutiable Chapter 99 HTS is reported on the line. The update was deployed to the CERTIFICATION (CERT) and PRODUCTION (PROD) environments on August 26, 2026.

Trump modifies scope of Section 338 additional duties on certain products of Canada

Proclamation 11065 of September 8, 2026 modifies the scope of the 50 percent additional ad valorem duties imposed on certain products of Canada under Proclamation 11048, effective with respect to goods entered for consumption, or withdrawn from warehouse for consumption, on or after 12:01 a.m. eastern time on September 15, 2026. Products of Canada listed in Annex I, Part A remain subject to the 50 percent duty, while those in Annex I, Part B are no longer subject to it, and the duties apply in addition to duties imposed under section 232 of the Trade Expansion Act of 1962.

CBP modifies Section 338 additional duties on certain goods of Canada under Proclamations 11064 and 11065

CBP states in CSMS # 69851916 that, effective with goods entered for consumption or withdrawn from warehouse for consumption on or after 12:01 a.m. eastern time on September 15, 2026, the Section 338 Canada duties under HTSUS headings 9903.03.12 and 9903.03.14 are modified by Proclamations 11064 and 11065 of September 8, 2026, adding 122 HTSUS classifications and removing 2208.30.60 and 2208.70.00 from 9903.03.12 and 2501.00.00, 2523.29.00, 2940.00.60, 4803.00.40, 4818.90.00, 7801.10.00, 8537.10.91 and 9507.10.00 from 9903.03.14.

CBP issues guidance on Section 232 duties for unmanned aircraft systems and components

CBP publishes Quota Bulletin 26-230 for Further Ensuring Affordable Beef Tranche 1

CBP states in CSMS # 69709869 that Quota Bulletin 26-230 covers beef under HTSUS Chapter 2 subheadings and Additional U.S. Note 3, as addressed in the Presidential Proclamation and Annex "Further Ensuring Affordable Beef for the American Consumer" published on August 26. Tranche 1 runs September 1, 2026 through September 30, 2026, with Tranche 2 from October 1 to October 30, 2026 and Tranche 3 from October 31 to November 30, 2026.

Trump issues Proclamation 11059 increasing beef TRQ in-quota quantity by 300,000 mt for 2026

President Trump issued Proclamation 11059 on August 26, 2026, increasing the 2026 aggregate in-quota quantity for certain beef products described in Additional U.S. Note 3 of Chapter 2 of the HTSUS by 300,000 mt, allocated entirely to "other countries or areas."

CBP updates ACE entry summary HTS reporting order for Chapter 98 and 99 classifications

CBP states in CSMS # 69668138 that it has updated the order of reporting multiple HTSUS classifications on the same ACE entry summary line when a Chapter 98 or 99 classification is claimed. The sequence is Chapter 98 (if applicable), then Chapter 99 additional-duty classifications, then Chapter 99 replacement-duty or other-use classifications, then other quota Chapter 99 classifications, then the Chapter 1 to 97 classification. Within trade remedies, filers report Section 301 first, followed by Section 338, Section 232, Section 201 duties and Section 201 quota. The entered value is reported on the Chapter 1-97 classification unless Chapter 98 provisions require otherwise.

CIT rules in Cyber Power Systems v. United States on classification of UPS cables and Section 301 duties

The U.S. Court of International Trade held in Slip Op. 26-41, Court No. 21-00200, that Cyber Power Systems (USA) Inc.'s eight models of cables are properly classified under subheading 8544.42.90, HTSUS, and subheading 9903.88.03, HTSUS, but that the government is not entitled to collect the additional 2.6 percent ad valorem duty that would normally be due under subheading 8544.42.90.