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Every message from the CBP Cargo Systems Messaging Service (CSMS), with a plain-English summary and Allied CHB's position. We add new messages every hour.
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Section 232 pharmaceutical duties extend to all companies from September 29, 2026
CBP issued updated filing guidance for Section 232 duties on pharmaceuticals and ingredients under Proclamation 11020, using headings 9903.04.60 through 9903.04.70. The duties already apply to Annex III companies since July 31, 2026, and apply to products of all other companies entered on or after 12:01 a.m. eastern time on September 29, 2026. Rates range from 0 to 100 percent depending on patent status, country, onshoring plans and specific uses. A September 23, 2026 Commerce notice added technical corrections and removed five HTSUS codes from Annex IV.
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We apply the correct Chapter 99 heading to pharmaceutical entries we file from September 29, 2026. Clients should send us the manufacturer name, patent or generic status, country of origin, and any onshoring or pricing agreement details. Goods for clinical trials or research need documentation of that use. Drawback is available on these duties, so ask us to review your entries and drawback options.
CBP details new Section 232 duties on drones and drone parts starting September 3, 2026
CBP issued guidance implementing Proclamation 11055, which imposes additional duties of 10 to 100 percent on unmanned aircraft systems (UAS) and UAS components under new Chapter 99 HTSUS provisions 9903.08.20 through 9903.08.26. The duties took effect September 3, 2026, for most goods, with a 25 percent rate on certain other UAS components starting February 9, 2027. Importers must report the applicable Chapter 99 classification on entries covering HTSUS Chapters 85 and 88 goods from all countries, with different rates depending on origin, use, and weight, and one classification (9903.08.23, UK-origin goods) must not be reported until CBP issues further guidance.
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We apply these new Section 232 duty classifications to UAS and UAS component entries we file from September 3, 2026, using the rate that matches the product's use, weight, and country of origin. Clients who import drones, drone parts, or related components should tell us the specific product details and country of origin so we can confirm the correct Chapter 99 classification and rate. We will not report duties under 9903.08.23 for UK-origin goods until CBP issues further instructions. Clients should ask us to review any entries of these goods filed on or after September 3, 2026.
CBP details Section 232 tariffs on patented pharmaceuticals, phased by company
CBP explained how it will implement Section 232 duties on patented pharmaceutical articles and ingredients under Proclamation 11020. Companies listed in Annex III faced the duties starting July 31, 2026, while imports from all other companies become subject to duties starting September 29, 2026. Generic pharmaceuticals and U.S.-origin products are excluded. CBP said importers must report one of several new Chapter 99 HTSUS codes (9903.04.60 through 9903.04.69) depending on the company, country of origin, and product type.
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We classify entries of patented pharmaceutical articles and ingredients under the correct Chapter 99 code based on the manufacturer's Annex III status, country of origin, and whether the product is generic. For imports from companies not on Annex III, we file the zero-duty code until September 29, 2026, after which the applicable duty rate takes effect. Clients should send us the product HTSUS classification, country of origin, and manufacturer details now so we can confirm the correct code before the September 29 deadline.
CBP added new ACE validation checks for Section 232 auto parts offset licenses
CBP announced that on July 18, 2026 it deployed a new validation in ACE for import adjustment offset licenses used against Section 232 duties on automobile and medium and heavy duty vehicle parts. The update added two error codes: one flags a license submitted on a line where chapter 99 duty is not present, and one flags a license with a balance too low to cover the submitted duty. CBP posted the updated ACE CATAIR Error Dictionary V51 on CBP.gov to reflect these changes.
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This applies to filers who use import adjustment offset licenses against Section 232 duties on auto parts, not to importers generally. We check that any offset license we submit matches the duty status of the corresponding chapter 99 HTS line and carries enough balance, so entries do not trigger these ACE errors. Clients who import automobile or medium and heavy duty vehicle parts under Section 232 and use offset licenses should ask us to review how their entries are filed.
CBP now requires country of smelt and cast reporting for certain copper imports
CBP announced new reporting requirements for imports of certain copper articles under Proclamation 11021 and Section 232. Importers must report the primary country of smelt and country of cast, and may report a secondary country of smelt, on the entry summary line for HTSUS 8544.42.10, 8544.42.20, 8544.42.90 and 8544.49.10. The ACE functionality went live in production on July 30, 2026, and importers may use code OTH if the country is not known. The requirement applies to imports from all countries of origin except the United States.
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This requirement took effect on July 30, 2026 and applies to entries we file that include the listed copper HTSUS classifications. We report the smelt and cast country data on the entry summary line using the new ACE fields, using OTH when the information is not known. If you import these copper articles, please send us the country of smelt and country of cast for your goods so we can complete the entry summary correctly.
CBP issued technical fixes to Section 232 metals tariff codes and Tata Steel UK rule
CBP announced technical corrections to the HTSUS codes created by Proclamation 11021's Section 232 duties on aluminum, steel, and copper. It created new subheading 9903.82.01 for covered articles containing no aluminum, steel, or copper, at a 0% additional duty rate, retroactive to April 6, 2026. CBP also clarified that U.K.-origin steel made by Tata Steel UK with melt and pour reported as the Netherlands could keep using the lower U.K. steel rate under headings 9903.82.04 and 9903.82.05, and count toward the 95 percent melt and pour threshold, until January 1, 2028.
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At the time, this affected entries of steel, aluminum, or copper articles and their derivatives filed on or after April 6, 2026, including entries already filed before the corrections were published. Later CSMS messages, including changes tied to the Learning Resources ruling and the end of IEEPA duties, may have changed how Section 232 duties apply to current entries. Clients with entries covered by these corrections, or by the Tata Steel UK melt and pour provision, should ask us to review their specific entries.
CBP Explained How to Split Section 232 Duty on USMCA Medium and Heavy Trucks
CBP issued guidance on applying the 25 percent Section 232 duty under Proclamation 10984 only to the non-U.S. content of USMCA-qualifying medium- and heavy-duty vehicles approved by the Commerce Department. The rule covered entries filed on or after November 1, 2025. CBP required importers to report the non-U.S. content on one line under HTSUS 9903.74.03 at 25 percent and the U.S. content on a second line under HTSUS 9903.74.06 at 0 percent, using the same HTSUS number and country of origin on both lines.
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At the time, we filed approved USMCA medium- and heavy-duty vehicle entries using the two-line reporting method CBP described, splitting non-U.S. and U.S. content values across HTSUS 9903.74.03 and 9903.74.06. Later CSMS messages may have changed these instructions or the Section 232 program itself. Clients with pending or past MHDV entries under this program should ask Allied to review their current filing requirements.
CBP Issued Filing Guidance for Section 232 Duties on Steel, Aluminum, Copper
CBP announced guidance implementing the April 2, 2026 proclamation that imposed additional duties of 10 to 50 percent on steel, aluminum, and copper articles and derivatives from all countries, effective April 6, 2026. The message explained how to report goods under HTSUS headings 9903.82.02 through 9903.82.17, including exclusions for goods with less than 15 percent metal content and higher rates for Russia-origin metals. It also covered country of melt and pour or smelt and cast reporting, drawback availability, and foreign trade zone and Chapter 98/99 treatment.
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We apply these Section 232 additional duties to steel, aluminum, and copper entries that fall under HTSUS headings 9903.82.02 through 9903.82.17. Nothing in the background we track shows these duties were repealed, so this guidance still applies to entries we file today unless a later CSMS message changed it. Clients who import metal articles or derivatives should ask us to confirm the correct heading, metal content, and country of melt/pour or smelt/cast for their goods. Clients do not need to take independent action unless we request specific documents for a shipment.
CBP added a new ACE report to track Section 232 auto import adjustment offsets
CBP announced a new ACE Reports tool, TR-015 Section 232 Auto Credit, for importers and brokers with an ACE role. It shows entries filed with an offset license number for Section 232 duty offsets on automobile parts. The report helps track offset amounts claimed against limits set by the Department of Commerce.
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This report is a tracking tool for clients who use Section 232 auto parts offset licenses. It does not change any duty rate or filing requirement, and Allied does not need to take new action because of it. Clients who use these offsets should ask Allied to review their entries if they want help monitoring their license balances.
CBP explained filing rules for 25% Section 232 duties on semiconductors (Jan 2026)
CBP issued guidance on the January 14, 2026 proclamation imposing a 25 percent Section 232 duty on certain semiconductors and derivative products, effective January 15, 2026. It listed HTSUS 9903.79.01 through 9903.79.09 covering duty rates and exclusions such as data centers, repairs, research and development, startups, and other listed uses. The message also set the required sequence for stacking Chapter 98 and Chapter 99 classifications, barred drawback for these duties, and set FTZ admission rules.
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This guidance governed how we classified and filed entries for semiconductors subject to the January 2026 Section 232 proclamation. We applied the required HTSUS 9903.79 codes and duty stacking sequence to entries filed under that guidance at the time. Later CSMS messages may have changed rates, exclusions, or classification requirements since then, so clients should ask us to review their current semiconductor entries for what now applies.
The summaries and positions are general information, not legal advice. Always check the official CBP message, which each page links to.
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